Product Description Elevate your home security with our🌟Smart Wireless Doorbell Kit!🚪🔔 🔔Never Miss a Visitor Again! Whether you're at home or miles away, our smart doorbell ensures you're always in the know. Get instant mobile notifications and a loud receiver chime when someone's at the door. 📱Control at Your Fingertips! Use the Tuya app to remotely manage your doorbell - choose from 38 ringtones and 5 volume levels (up to 110dB).🎵 🏡Easy Installation & Long Range: Simple setup and a 500ft working range make it perfect for large families. It's weatherproof and ready to withstand the elements.☔❄️ 🤫Do Not Disturb Mode: Share doorbell access with family members and enjoy quiet time during rest hours with our handy no-disturb mode. Upgrade your home's doorstep experience with our Smart Wireless Doorbell!🏡🔑   You can share the doorbell with other family members with a single click, and they will also be able to receive doorbell message alerts and control the doorbell at the same time. Let's guard this home together! Technical Details Manufacturer CallTou Item Weight ‎4.9 ounces Product Dimensions ‎1.9 x 1.5 x 1.9 inches Country of Origin ‎China Item model number ‎TY02-DB19WH Color ‎White Included Components ‎Doorbell Push Button*1(battery included) Batteries Included? ‎Yes Batteries Required? ‎Yes Battery Cell Type ‎Alkaline

Product Description More Than Just Door Alarms: Our system offers more than just basic door alarms. By installing sensors on doors or windows, you can monitor the safety of children who are just starting to explore their independence or protect Alzheimer's patients from unsafe door openings. With Tuya App compatibility, you'll receive alerts on your phone and through the receiver simultaneously, providing double layers of protection for your home. Works with Tuya: Seamlessly connect your Smart WiFi Wireless Caregiver Pager Door Alarms to the Tuya App via a 2.4 GHz Wi-Fi network (please note that it's not compatible with 5 GHz). Once connected, you can control the chime remotely from your smartphone. Share access with your family so they can also monitor the alarms, no matter where they are, even if they're in a different city. Adjustable Alarm Volume: Our wireless door alarm receiver offers an adjustable alarm volume ranging from 0 to 110dB, with 5 distinct levels, including a mute option. You can select from 38 different chime sounds to suit your preferences. Additionally, the flashing indicator light ensures that the alarms are easily noticeable, making them suitable for individuals with hearing impairments. Easy Installation & Extended Range: Setting up your Smart WiFi Wireless Caregiver Pager Door Alarms is a breeze. The sensors and receiver come pre-paired, simply plug the transmitter into a standard outlet, choose your preferred chime, and you're ready to go. With a remarkable 500 ft working range, this system covers most homes. The sensors boast long-lasting battery life, minimizing the need for frequent replacements.       Share the door magnet information to other family members through Tuya APP, no matter where the family members are, they will receive the message alert immediately at the same time, which can take better care of the elderly and small children. Product information Product Dimensions 1.9 x 1.5 x 1.9 inches Item Weight 6.2 ounces（2 Sensors 1 Receiver） 8.1 ounces（3 Sensors 1 Receiver） Manufacturer CallTou Country of Origin China Item model number TY02-DS16 Batteries 3 12V batteries required. (included)

Product Description This WiFi emergency alarm device can be connected to your cell phone for remote push to take care of the old and young at home anytime and anywhere. When the elderly or children open the door to go out, the hub will sound an alarm, at the same time, the smartphone APP will receive a warning alert, no matter the phone is in another city or province, you can receive a instant warning alert anywhere. [ Door Alarms for Home Security ] With a reliable long range of 500 feet, this wireless door chime is suitable for home, business, store and other scenarios. If you have children, pets or demented elderly who like to go out, you will receive an alert immediately and you can use this door sensor alarm to keep your family safe. [ Peace of Mind for the Hearing Impaired ] With built-in LED indicators, the wireless door alarm receiver and sensors provide extra help for the hearing impaired when used in conjunction with the receiver, making their lives easier and giving their families peace of mind. [ Share Function & Expandable] You can set the sharing function of the tuya app so that when door or window opens, everyone you share it with can receive the alert message; besides thisWIFIcall system is expandable, you can add more hubs, or door sensors to meet the needs of various different usage scenarios. [ Service guarantee] Amazon Logistics is our partner, we can deliver the package to your home within 1-2 days, we provide 30 days return service, our product manual has detailed operation instructions to help you better use our products.        Wireless Door Chime Window and Door Alarms for Home     Door Chimes When Door Opens for Home NOTE: 1.Only supports 2.4G network, and does not support 5G network!! 2.When pairing door sensor, pay attention to the orientation of the accessories, the side with the triangular pattern should be close together.After the correct direction, when you move the door sensor will only respond. WiFi By Sensor Window Alarm Sensors If you experience problems with the product not connecting or other problems, we will try our best to solve the problem for you. WiFi Door Sensor Window Alarm Sensors Product information Package Dimensions 5.39 x 4.69 x 2.36 inches Item Weight 9.9 ounces Batteries 2 12V batteries required. (included) Date First Available March 21, 2023     CallToU Product-Caregiver Pager & Door Alarm   WiFi Caregiver Pager WIFI Rechargable Pager Color White Black White Range Button and Hub:1000Ft/300m Button and Hub:1000Ft/300m Feature WIFI WIFI, Battery Charging Ringtone Ringtone Phone Alert Ringtone Phone Alert How to use Plug to use After Charged/Plug to use

Product Description The wirelss door chime wireless for business when entering can turn off on transmitter and receiver when the sensor trigger. The sensor and the receiver both is with turn off button, which easy your life [4 Working Modes] Our door sensor chime is with 4 working modes: 1) Ringtone Flash 2) Ringtone 3) Flash 4) Mute. Flash mode is durable for the hard of hearing people and the mute mode can let you have a quiet environment for your work or study. When the door chimes is seperated, the digital nubmer light will flash in mute mode [Long Service Life] Door entry chime with one standard household AAA battery in equipment and design of Ultra-Low-Power, the sensor can easily last 1-2 years when the battery is dead, you can replace it with a new one to continue working [ Easy to Install & 1000FT Working Range ] This wireless door sensor chime are paired already, all you need to do is attach the transmitter plug the receiver into any standard outlet, Last please take the insulating paper away before using the sensor pick a chime you like and here we go. The door open alarm has 1000FT reliable long working range, perfect entry alert chime when door opens for home and business [ Smart Door Chimes] The receiver is equipped with 4 kinds of ringtones of different styles for your choices. 5 levels volume adjustable, from silent to noisy(0 db to110 db), and door sensor chime are wireless long-range operating up to 1000 feet(no blocking), you don't have to worry about not hearing the sound. The LED indicator can display different numbers to help you easily distinguish which push button is calling Long Working Range, with Digital Display Function Plug-in receiver with 4 remind modes:     How to pair with receiver? Technical Details Manufacturer ‎CallToU Item Weight ‎5.9 ounces Product Dimensions ‎2.7 x 3.2 x 3.5 inches Country of Origin ‎China Item model number ‎CC23 2-1 Size ‎2 sensors + 1 receiver Color ‎white Included Components ‎Door chime receiver Batteries Required? ‎No

Product Description 【Easy to Install】The sensor and receiver are paired already,Just plug the receiver into standard outlet, tear the double-side adhesive tape of the door / window sensor and stick them to any door or window. 【Long Range & Expandable】The door chime wireless door sensor has 1000feets far enough to cover every door in your house or store. And each door opening chime for business can be paired unlimited magnetic sensor, you can also pair different ringtone to each sensor, so that you can realize exactly which door is triggered 【Monitor Your house with Wireless Door Chime】This entry alert chime can be a good reminder for you if you have toddler who try to sneak out of their bed room or help alert you the elderly with dementia who is trying to get out of the house. 【Keep Your Home Security 】This door sensor chime for business when burglar opens door and helps deter break-ins(business door chime activates when magnetic sensor separates) 【Mute To 120 DB Loud Soud 】This door alarm with chime has 5 adjustable volume from 0-110 dB silent mode, 0dB won't disturb a sleeping baby. Memory function: Keep the previous setted tune after re-plugging it   Perfect for a big house 1000ft Wide Wireless Range Make sure you hear the ringtones even from the back door CallToU Wireless Door Chime for Business/Home Long Range & Expandable The door chime sensor has 1000ft far enough to cover every door in your house or store. And each door chime for business can be paired unlimited magnetic sensor, you can also pair different ringtone to each sensor, so that you can realize exactly which door is triggered     Door chimes when door opens for home Door open alarm will alert you when old dementia patients/alzheimers patients is trying to get out of the house or alarm you know your little toddler who trying to sneaking out from bedroom or sleepwalking . Door announcer- keeping the track on your loved one.     Door chimes when door opens for home Door open alarm will alert you when old dementia patients/alzheimers patients is trying to get out of the house or alarm you know your little toddler who trying to sneaking out from bedroom or sleepwalking . Door announcer- keeping the track on your loved one.   Office door chime The door buzzer entry system has 5 volume and 55 song（15 short ringtones and 40 long ringtones） ,it will alarm when someone comes and goes from your office’s front door.(door buzzer can be programed each for a different tune so you can know which door opens)   Wireless door alarm with slient mode Mute mode or low tone mode could avoid waking up your sleeping baby /kids/child , just press the voice key to set. Wireless door buzzer entry systems with LED Indicator The LED on the receiver will light when the door is opened, good notification for the elderly with hard of hearing or when in mute mode , you can always receive an alarm. 55 different ringer for your choice Motion sensor doorbell has 55 ringtones（15 chime, 40 melody） with 5 adjustable volume levels for your choice, you can set different melodies so you can easily know which magnetic door contacted   door bells chimes is operated by batteries (a 23A 12V alkaline battery), normally, it can be used for at least 1 year. Entry alert chime with memory function. Thank to the menory function, our wireless doorbell and chime will remember and automatic play the previous tune you set even after a power outage How to change the batteries & Packages 1.Gently move the cover of magnetic door sensor 2. Remove the battery out to replace a new one. Package List: 2*Plugs-in door chimes+ 2* magnetics door sensores (battery included) +1* User Manual   Installed on almost all doors It can be installed on doors, glass doors, sliding doors, Windows, refrigerators, cabinets and other places. Technical Details Color ‎2 Sensors + 2 Receivers Power Source ‎Battery Powered, dc Connectivity Technology ‎Wireless Voltage ‎110 Volts Battery Cell Composition ‎Alkaline Sound Level ‎110 dB Manufacturer ‎SanJie Item Weight ‎9.6 ounces Package Dimensions ‎4.33 x 3.62 x 3.62 inches Is Discontinued By Manufacturer ‎No Batteries Included? ‎No Batteries Required? ‎No  

Product Description 【DOOR CHIMES for BUSINESS When ENTERING】Magnetic door sensor will automatically trigger the receiver when the magnetic stripe is separated 1cm and the receiver will alerts immediately whenever the door or windows is opened. It works great as an entry door bell and also helpful to know when visitors have come in. If our children and the elderly open doors and windows, we can also know in time 【600 FT RANGE & 20 DOOR SENSOR EXPANDABLE】The range of entry alert chime is 600 feet far enough to cover every door and window in your house. Each wireless doorbell receiver can pair up to 20 magnetic contact sensor(or call buttons) and each door sensor can add unlimited receivers. Our door chime can be widely used different occasion for your all of needs, such as your home, store, office and business 【EASY TO INSTALL】Door open chime don't need tool. Plug the receiver into socket, tear off the tape behind door sensor chime then paste on the door. The wireless door chime has been matched before shipment. If you need to replace music or add a transmitter, please re-pair, Also need to re-pair if you change the battery 【EASY PROGRAMMING】 55 chime options with blue light flashing and we could easily change them whenever we want. 5 levels of adjustable volume from 0-110 dB (Mute Mode Included). Different ringtones are set for different door sensors 【365 DAYS WARRANTY】 Our wireless door sensor is approved by FCC, CE and RoHS; we provide customer service on our products and we will always do our best to support you. Besides, we will offer 365 days warranty and 24 hours customers service. Any problems about door open chime, pls contact with our customer service team to get a full refund or replacement Alert when kids open the window   Alert when someone comes into the office Ensure home safety Alert if someone enters store   How To Change Ringtone & Pair The Door Chime? Step 1 Press the " forward " / " backward " button on the receiver to choose your favorite melody. Step 2 Press and hold down the volume button, until it makes a "Ding" sound and the receiver indicator flashes. Step 3 Separate the sensor quickly, it will makes a "Ding-Ding" sound and the receiver indicator flashes. Step 4 Separate the sensor again to confirm whether the current ringtone is the one you have set, if yes, the pairing is completed. How To Change The Batteries? Step 1 Gently move the cover of magnetic door sensor. Step 2 Remove the battery out to replace a new one. Designed for you   Dog Doorbells Pagers Emergency Alert Paging System Waterproof ✔ ✔ ✔ ✔ Maximum Signal Range 300 ft 300 ft 300 ft 720 ft Volume 5 Levels Volume 5 Levels Volume 5 Levels Volume — Ringtones 55 55 55 — Plug-in Receiver ✔ ✔ ✘ ✘ Technical Details Item Weight ‎9.5 ounces Package Dimensions ‎4.84 x 4.02 x 3.58 inches Country of Origin ‎China Batteries ‎2 AAA batteries required. (included) Is Discontinued By Manufacturer ‎No Size ‎2 Sensors Color ‎White Material ‎ABS Power Source ‎Battery Powered Voltage ‎260 Volts Item Package Quantity ‎1 Sound Level ‎55 dB Batteries Included? ‎Yes Batteries Required? ‎No Battery Cell Type ‎Alkaline

Product Description 🔔: Door alert for business has a back clip can be placed in the belt or pocket to carry around, without the restrictions of the socket more convenient to remind, when someone comes to visit, from anywhere in the house can hear the call, suitable for the elderly who are hard of hearing and friends with hearing problems (need to use batteries) 🔔[4 Modes for You to Choose]:CallToU Door Entry Chime flashing light has: 1,ringing + vibration 2,ringing + flashing light 3,ringing + vibration + flashing light 4,flashing light four modes to choose, flashing light silent mode, do not worry about the ringing will disturb the sleeping baby. LED light flashing, ringing vibration, you will never miss any visitors, in different scenes can choose different modes 🔔[55 Chimes & 5 Adjustable Volume]:55 kinds of short ringtones, including "Ding Dong", "Bell Ringing, Christmas Song" and other music styles. It supports five-level volume adjustment, the sound range is 0-110db, the volume is very large, and the whole house can hear it, suitable for various occasions. Silent mode that won't interfere with other devices in your home or neighbors 🔔[Long-distance and Anti-interference]:Door Sensor Chime working distance up to 1000ft in open and barrier-free environment, long-distance remote control, stable signal, no interference with each other, in Any place in the home can receive the signal without delay 🔔[Easy to Install]: Please install after pairing,tear the double-side adhesive tape sticK to any doors or windows.The wireless entry alert chimes when door opens for home is small and light so can be installed in any flat places Door Chimes, Wireless Door Open Chime/Alarm for Home Business Office Store 500 FT Range, 4 Simple Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering You can use it as door chimes when door opens for business You can use it for door alert/alarm for kids safety/demontia You can use it as a pool alarm and prevent someone walks into the private sphere You can use it as pet alert and make sure they don't runaway from home You can use it as a night entry alert chime which can alert you to the insecure door opening, and put off burglars from going any further. Unique 4 Alert Modes Ringtone+Vibration Ringtone+Flash Ringtone+Vibration+Flash Ringtone 4 Simple Ringtone DIDIDI Ding-Dong Hello Welcome Alarm Sound   We believe our wireless door chime can meet all your needs above! Ringing + vibration + color flash This handheld receiver has 3 unique alert functions: ringing + vibration + color flashing, with a back clip design, you can put it on your desk or carry it with you, you can receive alerts immediately without delay, 0 false alarms, and no random ringing. Double-sided adhesive door magnetic sensor They are easy to install, the two parts need to be installed very close, when the two parts are separated by more than 0.4inch, it will send a signal, the receiver receives the signal and ring the bell; when the door is closed it will not trigger the signal. Battery powered receiver It is powered by 3*AAA batteries, you can carry it around with you, even when the power is off in your home, it can also work normally. We Have Paired Them Before Shippment,You Just Open and Play! Install the COntact Sensor Open the door to trigger the signal Receiver will ring+vibration+flash Deaf Doorbells CallToU Dog DoorBell Dog Door Bell Kit 2 Deaf Doorbells + 2 Call Buttons 2 Receivers + 2 Call Button Working Type Wireless Wireless Volume 120dB 5 Volume 4 Modes ✓ 55 Ringtones Technical Details Manufacturer ‎CallToU Place of Business ‎XiaoMing Deng,+8613960477124,room 605, building 2, hengdali factory,jinjiang city, Fujian Province Parcel Dimensions ‎9.7 x 8.6 x 7.7 cm; 230 Grams Batteries ‎2 12V batteries required. (included) Size ‎1 Receiver + 2 Sensors Power Source ‎Battery Powered Included Components ‎Battery door sensor Batteries Included? ‎Yes Batteries Required? ‎Yes Battery Cell Type ‎Alkaline Warranty Description ‎1 year manufacturer Item Weight ‎230 g Country of origin ‎China

Effortless Installation Pairing the sensor and receiver is a breeze, already done for your convenience. Simply insert the receiver into a standard outlet, then smoothly affix the door/window sensor with the provided double-sided adhesive to any entryway. Expansive Reach & Customization With a remarkable 1000-feet range, our wireless door sensor covers every nook of your dwelling or establishment. Each business door chime can effortlessly sync with an infinite number of magnetic sensors. Plus, tailor distinct ringtones to individual sensors for precise door identification. Smart Home Monitoring Stay ahead of the game with our Wireless Door Chime's entry alert system. Whether you're keeping tabs on a curious toddler sneaking out of their room or ensuring the safety of elderly loved ones with dementia, this device serves as a reliable reminder. Enhanced Home Security Our door sensor chime stands guard against intruders. When a burglar attempts entry, the business door chime leaps into action, deterring break-ins with its responsive magnetic sensor separation. Versatile Sound Control From a whisper-quiet 0 dB to a robust 120 dB, the door alarm with chime boasts 5 adjustable volume settings. Even at 0 dB, it won't disturb a sleeping baby. What's more? Its memory function retains your preferred tune after every re-plug, ensuring continuity of your chosen settings.   Technical Details Item Weight ‎8.4 ounces Product Dimensions ‎4.72 x 3.54 x 4.13 inches Item model number ‎DS10BL 3-1 Is Discontinued By Manufacturer ‎No Color ‎1 receiver 3 sensors Material ‎ABS Shape ‎Ellipse Power Source ‎battery powered, dc Voltage ‎110 Volts Installation Method ‎Screw-In & Self-Adhesive Item Package Quantity ‎1 Temperature Range ‎-22~158 Degrees Fahrenheit Sound Level ‎110 dB Type of Bulb ‎LED Plug Format ‎A- US style Batteries Included? ‎Yes Batteries Required? ‎Yes Battery Cell Type ‎Alkaline Description Pile ‎‎23A 12V

Product Description Elevate your security game with the CallTou Wireless Door Entry Alarm! 🚪🔔 Boasting a 1000 FT range, 55 chimes, and 5 volume levels, this alarm is a fortress for your Business/Store/Home/Office. 🏠💼 Effortless installation - just plug in the Receiver, stick the wireless door sensor, and pick your favorite tone. 🎶🔧 Worried about your family's safety? With a 1000FT range, it's the perfect entry chime for doors, child safety gates, windows, cabinets, and more. 🚨✨ The LED light melody indicator ensures you're aware, even on mute! 🌟👵 Set it to mute at 120dB for peace of mind. 🤫🔊 Never miss an alert! #SecureYourSpace 🔒 Wireless door open chime is priced affordably to protect every entryway in your home.Door Bell Chime Alarm is an effective solution to home security. Kind reminder: 1. For multi-transmitters: Repeat Step to register another transmitters to this receiver. Thus all of transmitters have been registered to this receiver and trigger different tune. 2. For multi-receivers: Please set receiver one by one, to register each transmitter to each receiver. 3. Can not install transmitter on the metal, because built-in antenna can not close to metal. 4. Hold Music Button over 3-5 seconds, it will trigger clean pairing function If the door chimes can not work when you received it,please re-pair it.   Wireless Door Sensor Alarm for Kids Safety-You can use the door alarm to prevent your toddler from going out or climbing out of the window without permission. Door Chimes for Home-Detect any break ins through door or window to active door alarm to detect would-be intruders.Prevent burglars from trespassing at home. Door Open Chime for Elderly-This door bell chime alarm system wireless is very suitable for the elderly. When the elderly want to go out or are inconvenient to get out of bed, this doorbell can remind you. Door Entry Chime for Store / Office-This means you can receive alerts when you are busy in your store / office, the wireless door chime will let you know the first time if you have a guest to come in. 58 Chimes Option The doorbell Sensor Chime has 58 melodies to choose from. The pleasant tone of wireless door sensor chime comes across houses and walls which is audible everywhere in your house to notify you the arrival of visitor. Humanized Mute Mode The doorbell chime wireless receiver features 5 adjustable volume levels of 0-110 dB for you to choose. Humanized Mute mode-0dB won't disturb a sleeping baby. Just press the volume key to set the volume level you want. LED Indicator The LED indicator on the receiver flashes when the transmitter is pressed and a signal is received. This feature is also helpful for those with a severe hearing impairment.   NIGHT LIGHT UNIVERSAL USE - The uses of door sensor receivers are unlimited. This door sensor receiver can also be used as a night light, emitting a gentle light.They make great lighting systems for living room lights, lights for room, and general home improvement lights. Great for kids bedrooms as well so they feel comfortable.   Wipe surface dust. Remove the protective film of tape. Simple peel and stick. Less than 0.4inch/(1cm). NOTE: Ensure the distance between door sensor and magnet part not exceed 0.4inch . Product information Package Dimensions 5.83 x 5.28 x 3.9 inches Item Weight 14 ounces Item model number LC06US

Product Description 🚪 - Bid farewell to the hassles of wired installations! Setting up our wireless door sensor is as easy as 1-2-3. Simply plug in the Receiver and attach the wireless door sensor to your door or window – it's that simple! Once paired, whenever your door or window opens, the receiver will instantly chime, providing you with peace of mind. 👨‍👩‍👧‍👦[ Protect Your Loved Ones ] - Safety always comes first. Our door chime system acts as a guardian, alerting you to any unusual activity. It's perfect for keeping an eye on kids sneaking out of their rooms or for added security when someone tries to open your door or window at night. It's not just a door chime; it's your family's safety companion. 🎶[ Customizable Alerts ] - Express your personality with 55 unique ringtones to choose from, ranging in style to match your preferences. Adjust the volume to suit your surroundings, with five levels of volume control ranging from a soft 0dB to a loud 110dB. Plus, the seven colorful LED flash indicators ensure you won't miss a thing, even when the receiver is muted. 📡[ Extended Range ] - With an impressive 1000ft (300m) open area range, our wireless door chime ensures that you'll hear the bell ring no matter where you are in your home or office. Whether you're upstairs, in the garden, or a few rooms away, this entry alert chime has you covered. Simply plug it into an outlet and attach the door sensor to any doors or windows. Door entry chime Door chime for business/home/store/apartment when entering,You will never miss a visitor For your safety CallTou is a company dedicated to security products, including wireless doorbells, bedwetting alarms, pet doorbells, etc.. As a development direction, we are committed to providing high-quality products. Versatile and affordable, we are always working to improve the design and quality of our products based on buyer feedback. wireless door sensor chime door chime for business when enterting door chime when door open for home wireless door alert door entry chime By Chime, CallTou Wireless By Entry Contact Sensor Alert 1000 FT Range, 55 Ringtones and 5 Volume Levels for Business/Store/Home/Office When Entering Do you worry about children or elderly people sneaking out of the house or opening windows while you are doing other things? Do you worry about falling asleep in the middle of the night when a bad guy opens your door to break into your bedroom? If you have a hearing impaired elderly, this receiver is with seven kinds of light flashing, even in silent mode can be used as a reminder to open the door. Our wireless door sensor chime can meet all your needs. 7 kinds of light flashing 55 ringtones and 5 volume (including mute mode) Easy to use/Easy to install Expandable System with the Same Brand Parts IP55 waterproof by sensor chime   Door Open Alarm for Business and Home As a store opening reminder Keeping your family safe Prevent your children from opening doors and windows   Why choose us？ 7 Colour Flash Light When someone rings the doorbell, the receiver will display 7 different colors. Provide additional protection for the hearing impaired. Even in silent mode, you will not miss the doorbell. Mute-120DB 55 types of ringtones and five volume modes can be adjusted, and you can set it to silent mode when you don't want to be disturbed, and the eye-catching flashing lights can also remind you Easy to replace battery Our wireless doorbell is very easy to replace the battery, when the battery life is up you only need to spend a small amount of money to go to the local grocery store can be buried 23A battery and then easily replaced to continue to use 1-2 years Waterproof By Sensor The wireless door sensor has an IP55 waterproof rating. You can use it with confidence whether it is installed indoors or outdoors.   Super easy to install Step1：Plug in the Reciever You can choose your own favorite ringtone Step2：Install the Contact Sensor Mind the 1cm max distance between two parts. Step3：Trigger the Door Sensor Chime This completes the installation   Believe CallTou Wireless Door Chime, You will Love It. Technical Details Manufacturer ‎CallTou Item Weight ‎0.317 ounces Package Dimensions ‎3.74 x 3.46 x 2.91 inches Size ‎1 Sensor&1 Receiver Color ‎White Material ‎ABS Power Source ‎AC Voltage ‎12 Volts Installation Method ‎Self-Adhesive Plug Format ‎A- US style Special Features ‎Easy to Install Included Components ‎Batteries Batteries Included? ‎Yes Batteries Required? ‎Yes Battery Cell Type ‎Alkaline Description Pile ‎12V 23A

Product Description Wireless & Easy Installation: Wireless door chime helps you save the trouble of wire installation. Just need to plug in the receiver and stick the wireless door sensor on the door/window you want and set different ringtones to know which door is opened when entering. Protect the Safety of Your Family: If you have elderly with dementia, the door open chime can protect your aged parents from going out without your knowledge. If you have naughty children who likes to sneak out, this wireless door buzzer can help you take better care of your children. NOTE: The door chime can be connected to additional door sensors. 55 Ringtones & 5 Volume & LED Number Display: The door entry alert is equipped with 55 kinds of ringtones of different styles for your choices. 5 levels volume adjustable, from silent to noisy(0 db to110 db), you don't have to worry about not hearing the sound. The LED indicator can display different numbers to help you easily distinguish which door is opened. Receiving Range of 1000Ft/300m: Large acceptable range allows you to know the arrival of customer on the first floor when you are working on the other floor which is suitable for business entry. Even the basement/garage can be covered, and the door chime can ensure that you can notice it immediately when they are invaded. Door Chimes When Door Opens Door Alarm Sensor         How to pair and select music? Step1 Press the “forward”/”backward” button on the receiver to choose your favorite melody. Step2 Long press the volume button for 5-7s until the receive "ding" with LED blinking rapidly. Step3 Quickly separate the two parts of door sensor to activate the transmitter to send a signal to the receiver. Step4 After successful pairing, when the sensor is moved, the receiver will sound to alert you that the door or window is opened. Door Chimes When Door Opens for Home Technical Details Manufacturer CallToU Part Number ‎DS10BL 1-1 Item Weight ‎5.9 ounces Product Dimensions ‎3.9 x 1 x 3.9 inches Size ‎1 Sensor & 1 Receiver Color ‎Black Material ‎ABS Power Source ‎AC Sound Level ‎110 dB Plug Format ‎A- US style Included Components ‎MAGNETIC SENSOR*1 Batteries Included? ‎Yes Batteries Required? ‎Yes Battery Cell Type ‎Alkaline

Product Description ♥ Different Advantages: Door chime wireless door sensor the screen is LED digital display, which can be matched with different music, the multi-set with LED digital display can let you know clearly which doorbell is ringing, and the LED indicator creates a visual LED alert for the hearing impaired, helping you to better protect your home.♥ Material Durable: Door sensor chime Designed with ultra-low power consumption for long battery life. Made of ABS material, sturdy and durable. It can be used for a long time, just replace the battery.♥55 Melodies & 5 Volume: This door entry chime alert for business has 5 levels of adjustable volume from 0-110 dB.Offer 55 elegant music from the traditional"Ding Dong" to various well know chimes.Memory function: Keep the previous setted tune after re-plugging it.         Multiple Functions   Use Operation   Use Scenario   Door Chimes When Door Opens for Home Children and elderly can know in advance when they go out Manufacturer CallToU Item Weight ‎5.3 ounces Package Dimensions ‎4.29 x 2.91 x 2.91 inches Batteries ‎1 12V batteries required. (included) Color ‎1 Receivers +1 Sensors Batteries Included? ‎Yes Batteries Required? ‎Yes Battery Cell Type ‎Alkaline