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CallToU Dog Buttons for Communication - Recordable Talking Buttons 30 Seconds Voice Pack of 8 (Battery Inclued)

Product information Product Dimensions 3.15 x 3.15 x 1.18 inches Item Weight 1.5 pounds Manufacturer CallToU Item model number RB01WH-8 US Batteries 16 A batteries required. (included)

Caregiver Pager | Wireless Caregiver Pager | Best Medical Alert System Plugin Receiver

1 Receiver 2 Call Buttons. Allow caregivers and residents to be free while ensuring that help is still available at the touch of a button, ideal for elderly, seniors, patients, disabled [ Easy to Carry ] The receiver can be moved with the caregiver and the open area working range is 500+ ft, you can take it to the bedroom, kitchen or yard. The call button can also be hung around the neck of the person with a neck strap who needs help like a pendant or secured with a bracket or double sticker [ Smart Ringtones ] The receiver of caregiver pager has 55 ringing tones to choose from and 5 level adjustable volume from 0db to 110db. Easy use by plug the receiver into an electrical outlet [ High Quality ] Both call button and receiver are waterproof and dustproof. Whether you install it in the washroom or take it outside on a rainy day, you don't have to worry about this caregiver pager getting wet [ Dont Hesite to Order ] The sophisticated packaging helps you keep the pager secure without worrying about losing it. If you have any questions, you can check the included user manual, and 24 hours customer services and professional technology team are standing by  User Manual   Features Easy installation Approx. 500+feet operation range (open air) The default ringtone is “Ding-Dong”. Low power consumption SpecificationsWorking voltage of Receiver:110 V-- 260 VBattery in Transmitter: 12V 23A Alkaline batteryWorking distance: 500 ft In open area.Package1 x Receiver2 x Transmitters2 x Double Sided Adhesive Tapes1 x User Manual Fast Delivery:We prioritize shipping from local warehouses in your country/region (such as the United States, Canada, etc.), and you will receive the package soon. NOTE:The transmitter requires a 23A 12V Alkaline battery which is already included and not rechargeable. The Receiver plugs into a wall outlet and requires no battery. Product information Package Dimensions 4.29 x 3.62 x 3.62 inches Item Weight 7.8 ounces Manufacturer CallToU Country of Origin China Batteries 2 12V batteries required. (included)

CallToU Caregiver Pager Wireless Smart Watch Call Button Nurse Calling Alert Vibration for Elderly Patient Disable

  Pay attention!!! The watch can display call information from up to 4 buttons simultaneously on one screen. After more than 4 times, the oldest call information will move down and can be scrolled by using the up and down keys. The working distance is about 500Ft (in the open air), if you need a larger range and need to use it with a signal boosterSignal enhancement device product link:https://www.calltou.com/collections/calltou-accessories-1/products/calltou-sw05-sw06-watch-repeater-white-signal-booster About this item NO MONTHLY FEE & FREE SHIPPING (not included tax) CallToU Wrist Pager Receiver need to be paired with the calltou transmitter then the unit can work well together. CallToU Wrist Pager Receiver can work with the CallToU SOS Call Button as a caregiver pager/call system for Both Caregiver and Patient/Elderly/Resident/Handicapped/Sick Freedom while Still calling for Help at home. Not need to Yell to Get Someone’s Attention. SMART CAREGIVER ALERT: Vibration or Audible Prompt for choice. Wake Up the Night Shift Caregiver Only, And not wakeup/disturb the others. CallToU Wrist Pager Receive is powered by Built-in Rechargeable battery. Standby time about 3 days.  User Manual CallToU Caregiver Pagers Vibration Nurse Call Syste Meet Your Needs---The smart watch pager adopts a powerful microprocessor chip and TFT color screen display, making it easy to operate, stable and reliable in performance, suitable for both household and commercial use, while ensuring long-distance operation Wrist Caregiver Pager & Waterproof Button   Wireless Smartwatch Vibration Pager Powerful Microprocessor Chip/Low Power Consumption Battery in Transmitter:12V 23A ALkaline battery Working Distance:500+Feet in open area Maximun 500 wireless transmitters,and the name of transmitter can be edited   IP55 Waterproof Buttons Call Button for Elderly at Home One click call for help, easy to use One call button could call multiple receivers at the same time   Wireless Wrist Caregiver Pager FEATURES TFT color display, easy to operate Selected Black box function,save call records for query Calendar display,shutdown is not lost time Alarm Clock function Password protection to prevent wrong operation Innovative energy saving technology,super long standby time         Caregiver Pager Wireless Call Button System   Caregiver Pager for Elderly Senior Help Button A good helper for caregiver--Caregivers don't need to be around at all times     Call Button for Elderly at Home Vibration Watch Pager--Useful Gifts for The Elderly Vibration mode is very suitable for hearing impaired elderly Allowing elderly couple living alone to have a happy life Package 1 * Wrist pager receiver 1 * Adapter 2 * Transmitters 2 * 12V 23A batteries 1 * User Manual 2 * Double sided Adhesive Tapes   Who need CallToU Caregiver Pager ? Elderly/Senior Patient and Disabled Pregnant Women Kids       CallToU Call System CallToU Call System CallToU Call System CallToU Call System Model 1 wrist pager + 5 button 1 wrisit pager + 5 button 1 display receiver +10 button 1 display receiver + 5 button Expandable ✓ ✓ ✓ ✓ Wearable ✓ ✓     Prompt Modes 4 4 1 1   Product information Package Dimensions 3.03 x 2.99 x 2.44 inches Item Weight 4.2 ounces Manufacturer CallToU Country of Origin China Batteries 1 Lithium Polymer batteries required. (included)

CallToU 5W Wireless Walkie Talkie Long Range 16-Channel USB Rechargeable Intercoms, Two Way Radio(1 Pack)

Product Description 【Clear sound】The sound is very clear, with the VOX function, the receiving effect is excellent, no noise, 16 channels can be used at the same time, which is conducive to the communication between the two parties and a very pleasant experience. 【Great for Outdoor and Indoor Activities】The receiving distance is up to 2 miles without obstacles. This is very suitable for family camping, hiking, fishing, shopping, traveling, football matches, CS games etc. Kids can also talk to neighbors and friends at home in the rain or at night. 【Wide Range of Applications】Two way walkie talkie can be used in many places, such as homes, apartments, offices, hotels, stores,warehouses, hospitals, nursing homes and so on. 【Great for Outdoor and Indoor Activities】The receiving distance is up to 2 miles without obstacles. This is very suitable for family camping, hiking, fishing, shopping, traveling, football matches, CS games etc. Kids can also talk to neighbors and friends at home in the rain or at night. 【Low power consumption and low battery reminder】This walkie-talkie consumes less power during communication, and when the battery is low, a warning sound will appear. During the charging process, the indicator light turns from red to green, indicating that it is fully charged. If you want to communicate, tune the two walkie talkies to the same channel. Press and hold the PTT button of the walkie-talkie to communicate. The indicator of the speaking party is red, and the indicator of the answering party is green. Walkie talkie gives both parties more freedom.Simple and convenient. walkie talkie rechargeable long range walkie-talkie for Home Elderly People with Disabilities, Caregivers, Outdoor, Indoor. 5 Miles of obstacle-free reception distance Clear sound 16 Channels and volume adjustable       Specifications: Brand CallToU Colour Black Number of channels 16 Special feature Long Range, Battery Strength Indicator, Voice Operated Transmission, Rechargable Frequency range 462.55 – 467.7125 MHZ Talking range maximum 5 km Tuner technology UHF Voltage 7.4 Volts Water resistance level Waterproof Number of batteries 1 Lithium Polymer batteries required. (included)

CallToU Dog Buttons for Communication Dogs Speech Training Buttons Talking Sound Buttons 30 Seconds Record Button

Product Description 🐾【Dog Talking Buttons】Up to 30 seconds of recording time. Use it to send secret messages or leave short reminders, you can change the voice record at any time, and support countless times. The sound qulity is excellent and it is easy to carry. 🐾【Dog Buttons for Communication】Record phrases such as "outside", "walking", "water", "playing", and train pets to press the button when they want to walk, eat, or drink water. This is recommended for dog training. Different color buttons can be used as options for different training. 🐾【Easy to Use】The switch at the bottom of dog speaking buttons can be used to control the "REC" and "PLAY" modes. Swith to REC, press and hold the top button, you can start recording. Swith to PLAY, press and hold the top button, you can play the recording. 🐾【Multi-purpose】The recordable button can not only help you train your pet, but also be used as a games interactive buttons and as a language education buttons. It can also be used as a phonograph between family, company and friends. 🐾【Battery Included】Each recording button comes with 2 batteries, a total of 6 recording buttons (Yellow, Red, Blue, White,Purple,Dark blue), so a total of 12 batteries are given away. To solve the problem of not having a battery right away, it is more convenient to use. Product information Product Dimensions 1.18 x 3.15 x 3.15 inches Item Weight 7.1 ounces Country of Origin China Item model number RB01-4 Batteries 8 AAA batteries required. (included)

CallTou Wireless Caregiver Pager Call Button Low Battery Reminder Nurse Call System with LED Number Display for Elderly Patients

Product Description LARGER WORKING RANGE: 3 plug-in caregiver receivers with digital number display and 6 call alarm buttons. long working range of 500 ft(150meters). Multiple receivers can cover more areas. You can put one in the bedroom and others on different places of different floors/hallways or anywhere, as long as there is a plug socket. SET NUMBERS for DIFFERENT CALL BUTTONS: Each call button for different number. You can put call buttons in every activity area, so you can get help anywhere any time.This number caregiver pager can show caregiver/ medical personnel exact location or room number where signal is coming from. It's a perfect device for places like nursing house/ hospital/ clinics/ Partments/ restaurants/ bars etc. POWERFUL CAREGIVER CALLING SYSTEM: Strong wireless signal penetration, for 2 or even 3 floor houses. 38 ringtone with loud speaker, 5 levels adjustable volume from 0-110 db. more options to choose from your favorate ringtone and preferrable volume. LED FLASH: Number Pager has LED flash.It can flash at night when help is needed. This is specifically designed for people with hearing problem.When Low battery, It will flash constantly so you can get to it in time PORTABLE CALL BUTTON: There is a clip on the back of each SOS call button, which can be used as a call pendant, equipped with a rope, can be worn around the neck, can be hung on the bedside or the hook on the bathroom wall, etc. wireless caregiver pager & call buttons Advantages of using wireless caregiver pager  Improve work efficiency,save staff costs In hospitals or nursing homes, patients or the elderly can get help quickly and easily Helping you take better care of your family while also having personal freedom Low Battery Reminder Call Button  One click call for help, easy to use One call button could call multiple receivers at the same time Can be matched with the CallToU receiver Gravida Wearable alert button A receiver that immediately knows the exact location is the perfect protector for gravida Patient Alarm Medical Alert Systems for Seniors A wireless caregiver pager system that can accurately know the location of the patients seeking help Life Alert Systems for Seniors Elderly people at home can seek help without shouting Children Wearable alert button Easy to use for children. The call button is wearable and won't be thrown around by children   How to Install the Call Button Battery?   Larger Working Range   Strong Penetration   Step 1 Press the “forward”/”backward” button on the receiver to select 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 Press the call button quickly,it will make a “Ding-Ding” sound and the receiver indicator flashes. Step 4 Press the call button again to confirm if the current ringtone is the one you set, if it is, the pairing is complete. Product information Package Dimensions 8.54 x 4.09 x 3.66 inches Item Weight 1.17 pounds Manufacturer CallToU Country of Origin China Batteries 6 12V batteries required.

CallToU Pager for Seniors Emergency Pager System Call Buttons Panic Button Elderly Pager Alert Button

Product Description 【STAY MORE INDEPENDENT AND IN CONTROL】: The CallTou caregiver pager for seniors is a wireless, long range panic button for elderly and other people who need extra care, which gives back some privacy and independence to the patient or elderly person, whilst providing peace of mind to their family members 【GET HELP QUICKLY & EFFICIENTLY】: When assistance is needed, a simple press of the caregiver call alert button sends a signal directly to the caregiver’s pager receiver. This emergency pager system is suitable for private households, as well as hospitals, nursing homes, and many other places. With a long range of up to 300ft/90m (open area), the caregiver has the option to be further away and still get alerted 【ANYONE CAN OPERATE IT】: Even with limited function in the hands, a person will be able to press the panic button alarm to ask for help. The included neck strap will ensure the elderly pager is always easily accessible. The safety call button is splash proof and can be affixed on the bathroom wall. Please note that it can’t be immersed in water so should be removed before bathing or showering 【EASY TO SET UP】: This emergency button for elderly monitoring is easy to set up, but our customer support team can also help you set it up according to your needs – precise pairing between multiple receivers and transmitters, setting a selection of 55 ringtones and adjusting volume for example 【OUR PROMISE TO YOU】: A alert system for seniors and patients needs to be reliable 24/7. At CallToU, we provide round-the-clock customer service, in addition to a full year’s warranty and money back guarantee. Because we want you to have that peace of mind when it comes to caring for your loved one Key Features Ultra low-power design, longer working hours Pager: 3*AAA Battery Transmitter: 1* 12V 23A Alkaline Battery Working voltage of Receiver:110-260V How To Change Ringtone & Pair The Pager? 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 Press the call button quickly, it will makes a "Ding-Ding" sound and the receiver indicator flashes. Step 4 Press the call button again to confirm whether the receiver can sound, if yes, the pairing is completed. How To Change The Batteries? Step 1 Use the mini screwdriver to unscrew the 3 screws. Step 2 Change the battery. Designed for you Dog Doorbells Paging System Waterproof ✔ ✔ Maximum Signal Range 300 ft 720 ft Volume 5 Levels Volume — Ringtones 55 — Plug-in Receiver ✔ ✘

CallToU Door Alarm for Home Wireless Door Alarms for Kids Safety with 120dB, Window Door Open Alarm Sensor 5 Pack

About this item : This door window alarm is 120dB loud enough to inform you if the kids are trying to sneak out at night. And the noise scares toddlers so they won’t leave the house without you EASY TO INSTALL & USE - Easily mounted by adhesive, just tape it on the window or door then all is done! No wiring is needed! No screws are required! (NOTICE: MAKE SURE THE GAP BETWEEN THE ALARM AND MAGNET PART IS WITHIN 0.6IN.) Home Security Solution: Security Alerts are perfect for notifying you when there is an unwanted entrance. Protect your children or the elderly from leaving the room and causing danger, or prevent anyone from sneaking in and out. ULTRA-SLIM DESIGN: Ultra-thin door and window alarms with 2 adjustable settings modes (off/on), the simple switch allows you to quickly turn off and on when you need it, with no need to reset. 3xLR44 batteries included per alarm WHAT YOU GET – SANJIE 5-pack window door alarm. We will provide 100% customer satisfaction service and 24*7 customer support.   These door alarms with an ultra-slim build and sleek design can be put easily wherever you need them Batteries: 3 LR44(included) Size: 1.5" x2.9"/0.4"x1.2"(1 pack) Weight: 0.11lb(1 pack) Pack: 5 packs Notice: Not UL-2017 compliant! BEST & SIMPLISAFE ALARM SYSTEM FOR HOME About CallToU CallToU door and window alarms for home is used around the house or office, apartment, basement bedroom to prevent access to any doors, windows, cabinets and drawers— anything that opens and closes. What is our vision? Our vision is make you and your family feel safe,give you and your family peace of mind,and make the life better. What kind of security product do we provide? We provide door chime,window alarm,PIR motion sensor,doorbell to keep you security. 120dB Loud Alarm Enough Easy to Install & Use and Very Sticky. Small and Barely Noticeable. 12 Months Battrey Life and Low Battery Indicator. Window Alarms for Kids Safety Door Alarms for dementia elderly Window Alarms For Home Security Easy to Install The door and window alarms are easy to use. Just remove the label and stick it to your door or window. Small and Sticky The alarm is small and barely noticeable. Lightweight and sticky so you don't worry about falling. 120dB Loud Alarm Enough If someone is breaking into your home or you want to deter someone, it's loud enough to alert you and warn someone.   Technical Details Manufacturer ‎SanJie Part Number ‎YYDOA01 Item Weight ‎6.4 ounces Product Dimensions ‎3 x 1.5 x 0.8 inches Country of Origin ‎China Batteries ‎3 LR44 batteries required. (included) Is Discontinued By Manufacturer ‎No Power Source ‎Battery Powered Item Package Quantity ‎1 Sound Level ‎120 dB Special Features ‎real-time sound alarm, wireless Batteries Included? ‎Yes Batteries Required? ‎Yes Battery Cell Type ‎Silver Oxide  

CallToU Door Chime Wireless Waterproof Door Open Sensor Window Alarm for Kids Safety

  Product Description Wide Range of Uses:This wireless door open sensor chime can be used in a variety of scenario,such as home security, business ,office;you can use it as door alarm chime for kids safety,dementia patients,elderly,Autism,anti-theft,keep an eye on your loved ones and home to keep you peace of mind,especially the night;you can also use it as a door open alert for commercial,business,shop,office to keep track of your customers,clients,visitors. Number Display & Ringing Customization: The receiver has 1-6 display numbers to let you know which door/window is opened quickly, allowing you to react quickly; 5 volume levels, from silent to 120db,38 ringing tones to choose, you can set different ringing tones for different door sensors, making it easy for you to distinguish. Long Working Range:This wireless door open chime for home is up to 400 ft in the open area, the magnetic door sensor will automatically trigger the receiver when the magnetic strip is separated over 0.6 inch and the receiver will alerts immediately whenever the door or window is opened. Easy to Install & Expandable System: No WIFI, No Fees, Simply use the adhesive tape to attach the door magnet sensor and plug in the receiver. This is an expandable home security system, you can add more receivers or door sensors, 1 door sensor can be paired with many receivers, a receiver can be paired with up to 6 door sensors. After-sales guarantee service: Amazon Logistics is our partner, our door sensor chime can be quickly delivered to your home the next day, we provide 30 days free return, 1 year warranty, 24 hours fast reply email, no matter how long your purchase time, any questions can always contact us. CallToU Number Display Wireless Door Sensor Chime   Door chimes when door opens Protect elderly people with dementia or hearing impairments from sneaking out   Never miss a visitor   When your child tries to open the door and window and wants to go out, you can find out in time           Service Friendly Service If there are any quality problems with the products, please feel free to ask us. So as to give you the best shopping and using experience. Technical Details Color ‎Black Material ‎ABS Power Source ‎AC Installation Method ‎Self-Adhesive Item Package Quantity ‎1 Sound Level ‎110 dB 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  

2 sensor&1 receiver3 sensor&1 receiver4 sensor&1 receiver4 sensor&2 receiver6 sensor&2 receiver

CallToU Caregiver Pager Medical Alert System,Nurse Alert Help Button 500+ Feet

About this item 🔰【CallToU Caregiver Pager System】1 Spherical Receiver and 1 Call Button, the Idea is for Both Caregivers and Patients/Elderly/Residents/Handicapped/Sick Freedom while Still calling for Help at home. No need to Yell to Get Someone’s Attention 🔰【Unique Spherical Receiver】life alert systems for seniors -Spherical receiver has 32 Ring Tones,4 Level Adjustable Volume From 0db to 110db for Your Choice. Music with piano music can make the nurse's ears feel comfortable when reminded. Operating Range is 500+ Feet in an open Area. 🔰【Push Call Button is Easy Carry】This medical alert necklace-call button can either be worn as a necklace, hung on a towel hook in the bathroom, or just carried in a pocket as the patient moves around the house. Fixed in Bedside/Washing Room. The Fixed Bracket and Double sticker are included. 🔰【Additional Wide Usage】Use as an medical alert systems for seniors call button for the elderly. It also can be used caretaker call button can be used in many places, such as homes, apartments, offices, hotels, warehouses, hospitals, nursing homes, and everywhere you need. 🔰【Waterproof & Easy use】Push Medical Alert Call Button is Waterproof. Acceptable for Meal/Soup Splash. And Allow it to be Installed in the Washing Room. Easy Use: Just Plug the Receiver into an Electrical Outlet( Plug and Play) Product Description The wireless caregiver pager is designed for the elderly, the disabled,the sick,child and pregnant woman.When they encounter an emergency or just need help, then they press the SOS call button, the receiver will ring when receiver receive the signal. This will remind the caregivers need to help them immediately. This provides caregivers with more independence. Who needs it?   Where to Use?     Specifications Working voltage of Receiver:100-240V 50~60Hz AC Battery in call buttons:12V 23A Alkaline battery Button Waterproof Standard: IP55 Packing List 1 x Receiver 1 x Transmitter(Include batteries) 1 x Double sided adhesive tape 1 x Strap clip 1 x Small screwdriver 1 x User manual Product information Package Dimensions 5 x 3.43 x 2.83 inches Item Weight 5.3 ounces Manufacturer CallToU Country of Origin China Batteries 1 AAA batteries required. (included)

CallToU Caregiver Pager IPX7 Waterproof Call Button,Medical Alert System, Nurse Alert System

About this item 🔰【CallToU Caregiver Pager System】1 Number Receiver,1 Personal Wearable Alert Button, and 1 SOS Wrist Call Button, the Idea is for Both Caregivers and Patients/Elderly/residents/Handicapped/Sick Freedom while Still calling for Help at home. The emergency alert system for seniors is with 32 Ring tones 4 Level Adjustable Volume From 0db to 110db. 🔰【Unique Digital Display Receiver】 The call button can match different numbers, and the caregiver/medical staff can immediately arrive at the specific place to call for help. This number caregiver pager can display the exact location or room number. It is the ideal equipment for nursing and other medical care nursing homes places 🔰【500 ft in Open Area】Caregiver call button design principle receiving distance between the Round shape call button and the receiver in an open area is 500 feet. The receiving distance between the wrist call button and the receiver in an open area is 70 feet 🔰【Additional Wide Usage】Use as an emergency call button for the elderly. It also can be used caretaker call button can be used in many places, such as homes, apartments, offices, hotels, warehouses, hospitals, nursing homes, and everywhere you need 🔰【The Best Gift】The Smart Wireless Caregiver Pager SOS Call Button Alarm is a good present,is a love for them and can protect their best choice. If there is any problem in the use process, please contact CallToU customer service by email, and we will provide you with high-quality after-sales service Product Description The wireless caregiver pager is designed for the elderly, the disabled,the sick,child and pregnant woman.When they encounter an emergency or just need help, then they press the SOS call button, the receiver will ring when receiver receive the signal. This will remind the caregivers need to help them immediately. This provides caregivers with more independence. Who needs it?   Where to Use?   Specifications Working voltage of Receiver:100-240V 50~60Hz AC Battery in call buttons:12V 23A Alkaline battery Button Waterproof Standard: IP55 Packing List 1 x Receiver 2 x Transmitter(Include batteries) 1 x Double sided adhesive tape 1 x Strap clip 1 x Small screwdriver 1 x User manual Product information Package Dimensions 3.7 x 3.62 x 3.62 inches Item Weight 6.7 ounces Manufacturer CallToU Country of Origin China Batteries 2 12V batteries required. (included) Date First Available April 17, 2021

CallToU Wireless Door Chime Digital Display Door Contact Sensor Alarm

  Product Description Wide Range of Uses:This wireless door open sensor chime can be used in a variety of scenario,such as home security, business ,office;you can use it as door alarm chime for kids safety,dementia patients,elderly,Autism,anti-theft,keep an eye on your loved ones and home to keep you peace of mind,especially the night;you can also use it as a door open alert for commercial,business,shop,office to keep track of your customers,clients,visitors. Number Display & Ringing Customization: The receiver has 1-6 display numbers to let you know which door/window is opened quickly, allowing you to react quickly; 5 volume levels, from silent to 120db,38 ringing tones to choose, you can set different ringing tones for different door sensors, making it easy for you to distinguish. Long Working Range:This wireless door open chime for home is up to 400 ft in the open area, the magnetic door sensor will automatically trigger the receiver when the magnetic strip is separated over 0.6 inch and the receiver will alerts immediately whenever the door or window is opened. Easy to Install & Expandable System: No WIFI, No Fees, Simply use the adhesive tape to attach the door magnet sensor and plug in the receiver. This is an expandable home security system, you can add more receivers or door sensors, 1 door sensor can be paired with many receivers, a receiver can be paired with up to 6 door sensors. After-sales guarantee service: Amazon Logistics is our partner, our door sensor chime can be quickly delivered to your home the next day, we provide 30 days free return, 1 year warranty, 24 hours fast reply email, no matter how long your purchase time, any questions can always contact us. CallToU Number Display Wireless Door Sensor Chime   Door chimes when door opens Protect elderly people with dementia or hearing impairments from sneaking out   Never miss a visitor   When your child tries to open the door and window and wants to go out, you can find out in time           Service Friendly Service If there are any quality problems with the products, please feel free to ask us. So as to give you the best shopping and using experience. Technical Details Item Weight ‎13.1 ounces Package Dimensions ‎5.24 x 4.06 x 3.9 inches Size ‎4 Sensor&2 Receiver Color ‎Black Material ‎ABS Power Source ‎AC Installation Method ‎Self-Adhesive Item Package Quantity ‎1 Sound Level ‎110 dB 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