About this item WIRELESS CAREGIVER PAGER: 1 plug-in receivers with digital number display and 8 call alarm buttons. The digital receivers have a reception range of 500 feet/150 meters and can be used whenever an outlet is available. The perfect guardian for seniors who want freedom but still want to feel safe FAST AND ACCURATE ARRIVAL: Each call button corresponds to a number, and this setup allows caregivers to arrive at the exact location. Caregiver pager system with LED digital display increases caregiver efficiency and elderly sense of security CALL BUTTON FOR ELDERLY AT HOME: Seniors in the home can stick call buttons in places or rooms they walk around a lot and set numbers for the buttons so that caregivers/family members can get to your location faster EFFECTIVE CAREGIVER PAGER SYSTEM: Caregiver pager with powerful penetration for residential buildings.Rescue call buzzer with 55 bells and 5 adjustable levels of volume from 0db to 110db. The sound is loud enough. You can freely adjust your favorite music and appropriate volume HIGH QUALITY AFTER -SALES SERVICE: If any problem occurs during use, please contact CallToU customer service via email.         Product information Noise Level 110 dB Maximum Range 500FT Manufacturer CallToU Package Dimensions 4.76 x 4.09 x 3.58 inches Item Weight 15.5 ounces Batteries 8 AAA batteries required. (included)

Product Description UPGRADE: The upgraded wireless calling system displays and voice announces the call number, making it easier to identify which room requires attention. Additionally, you can set the alert to repeat multiple times instead of the usual single beep, so patients or don’t need to press the nurse call button again to get attention. EXPANDABLE TO 1000 CALL BUTTONS: The nurse call system is ideal for both small and large environments, making it perfect for nursing homes, hospitals, restaurants, and businesses. RELIABLE SIGNAL & LONG RANGE: With a stable signal range of up to 1000 feet in open areas, this wireless caregiver page system performs well in large spaces. It's been used successfully in environments such as 5000 square foot homes, offering excellent coverage. PERFECT FOR ELDERLY CARE: Whether you're managing a call bell system in a clinic, a caregiver pager in a nursing home, or a call bell for elderly at home, this system ensures quick and efficient assistance EASY INSTALLATION AND OPERATION: Simple to set up and ready to use out of the box. The wireless call buttons can be easily installed with stickers or worn around the neck. CallToU Wireless Caregiver Pager Smart Digital Display Calling System -P4/Q-01AB   NEW UPGRADE The upgraded wireless calling system displays and voice announces the call number, making it easier to identify which room requires attention. Wireless call system works up to 1000 feet--1 receiver can expand 1000 call buttons. Wireless Calling System & Caregiver Call Button 6 Modes of Calling Systems F-01: Storage Mode F-02: Deletion Mode F-03: Cycle Mode F-04: Scenario Switching Mode F-05: Adjust Volume and F-07: Restores Factory Setting Voice Announcement Number Wireless call system displays and voice announces the call number. （In the F-04 mode） 0.01S Fast Response Wireless transmission speed of 0.01 seconds for fast response. Stable signal range of up to 1000 feet in open areas. IP55 Waterproof 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.    Wireless Call System Operating Instructions Storage Mode (F-01) Receiver and Button Pairing Deletion Mode (F-02) Clear the Pairing History of All Buttons Cycle Mode (F-03) Adjusting the number of calls and the duration of the screen display Cycle mode, divided into three kinds: F3-1, F3-2, F3-3, can be used to adjust the number of rings and screen display time. Scenario Switching Mode(F-04) 3 call Ringtones Attention: "0" will broadcast call number. "1" the ringing tone is“ding-dong” "2" the ringtone is “chord music” Adjust Volume(F-05) There are 8 sound levels for your choice. “1” means minimum volume, “8” means loudest. Default is 6 Restores factory Setting(F-07) Use Tips 1)One call button could call multiple receivers at the same time 2)The paging system just one-way, for example the customer press the button ,then the waitress will go to know what's they need 3)You even can use wireless call system play games at party(like jeopardy),exciting your Imagination fully 4)If the wireless signal range is decreased, please replace the battery of call button 5)Call Button Just Some Simple Waterproof Function so Can Not Be Placed in The Water     CallToU Restaurant Pager CallToU Calling System CallToU Call Button CallToU Calling System CallToU Calling System Model 1 Keypad Caller + 16 Buzzers 1 Display Receiver + 10 Button 2 Button 1 Wrist Pager + 5 Button 1 Wrist Pager + 10 Button Expandable ✓ ✓ ✓ ✓ ✓ Wearable call button call button ✓ ✓ ✓ Prompt Modes 4 1   4 4    

Product Description Effortless Care: With CallToU’s medical alert system, simply press the elderly alert button or wrist call button to call for help. Perfect for both home care and nursing facilities, the portable receiver with belt clip ensures caregivers can stay mobile. Peace of Mind: Whether you need to step away, CallToU’s wireless caregiver pager keeps you connected, offering both freedom and reassurance for caregivers and loved ones. Comfortable Patient Call Bell: The wristband button is ideal for bedridden patients, while the pendant call button can be wall-mounted or worn with a lanyard, providing versatile installation options. Reliable Alerts: The system features adjustable volume levels (0-120dB), dual low battery alarms, and a wireless range of over 500 feet. Choose from two alarm sounds and toggle the vibrator on or off to never miss a call. Expandable System: Easily expand to up to 20 call buttons and unlimited receivers, with LED digital display to identify specific call locations, ensuring comprehensive coverage for your home.     When your loved one needs help,simply press the alert button for seniors or wrist call button to seek caregiver assistance. Never miss a call from your loved one. CallToU wireless caregiver pager gives you the freedom to get out of sight and still be connected. The wireless signal range between the pager and call button is up to 500ft  in open area. Expandable with up to 20 call buttons and unlimited receivers for complete coverage of every location in your house. *Environmental factors such as metal or concrete walls may affect signal range Complete Functions and Simple Operation Easy Pairing and Use HOW TO PAIR THE CALL BUTTONS WITH THE RECEIVER? Press the on/off key on receiver for 5s. Press the setup key on receiver for 5s to make a ‘ding’ sound. Press the on/off key or setup key to choose a number. Press button once to make receiver sound 'ding ding' then press again to check if pairing is successful. Effective Vibration Alerts HOW TO TURN THE VIBRATION FUNCTION ON/OFF? Press the on/off key and volume key at the same time, there will be vibration feedback. Check whether the vibration function is enabled. If not, please follow these steps again or let us provide you with help. Warm tips: The procedure for turning the vibration function off and on is the same. Portable Necklace Lanyard HOW TO ATTACH THE LANYARD? Slide off the back clip. Pull the thin end of the lanyard through the hole on button side and pull it out. Pull the whole black plastic snap end out of the thin black lanyard and tighten it. Long Battery Life HOW TO REPLACE THE BATTERY? Slide off the back clip. Turn screws loosely or pry open battery cover with srewdriver Insert batteries and install cover back respectively Easy to Clear Pairing HOW TO CLEAR ALL CALL BUTTON PAIRINGS? Press the volume key for 5s to make a ‘ding’ sound and screen display ‘CL’ Check if the clearing is completed well. Warm tips: If use the receiver again, please re-pair it with transmitter to make sure it will work when you need. Makes Caregiving Easier Wrist Call Button Wristband buttons are more comfortable to wear and they don't flop around. Pendant Call Button Pendant call buttons have more mounting options. The call button for elderly can be fixed to the wall or hung around the neck with a lanyard. Full-featured Receivers 1. Vibration Function 2. DigitalDisplay3. Low Battery Reminder 4. Expandable Pairing 1-20 LED Digital Display Match different numbers to different panic buttons in your home to differentiate where help is needed. Package Dimensions 5.28 x 4.8 x 2.01 inches/8.03 x 5.08 x 2.4 inches Item Weight 9.7 ounces/1.23 pounds Manufacturer CallToU Batteries 12V batteries required. (included)

LARGER WORKING RANGE: 2 plug-in receivers with digital number display and 6 call alarm buttons. With a receiving range of 500 feet/150 meters, two digital number receivers can make the receiving range wider. You can put one in the bedroom and the other 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 LED NUMBER DISPLAY: The digital display caregiver pager is equipped with LED flash, which can be used even at night to know who is calling for help, and caregivers with hearing impairment can also use it. The led light of the call button will light up when the power is low. Don't worry about the power problem EFFECTIVE & POWERFUL CAREGIVER PAGER SYSTEM: The caregiver pager with strong penetration, it can be used in 2 or 3 floors of residential buildings. The rescue call buzzer has 38 ringing tones, with 5-level adjustable volume from 0db to 110db. The sound is loud enough. You can freely adjust your favorite music and appropriate volume 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 Larger Working Range Strong Penetration How to pair the pager？ 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 5.75 x 5.2 x 4.02 inches Item Weight 1.08 pounds Manufacturer CallToU Country of Origin China Date First Available December 18, 2021

• Free shipping,no monthly fees, not need to yell. 
• Call button for seniors,patient,disabled,pregnant woman,child safety. 
• IP55 waterproof,fixed in bedside/washing room,hang on neck as pendant.
• One call button could call multiple receivers at the same time.
• Each call button support more than 999pcs of recevier.

Product Description PORTABLE PAGING SYSTEM - Wireless nurse call system is a central monitoring system that is programmable for up to 99 nurse call buttons. The monitoring unit is suitable for various settings such as nurse stations, emergency, clinics, hospital elderly, senior care nursing homes restaurants, and cafes. DIGITAL LED DISPLAY - The nurse pager display receiver will also be notified both audibly and visually on the LED screen as to which button has been pressed. The caregiver pager system has 5 levels of volume adjustment and 10 ringtones to choose from, also with memory function, will remember your setting even if it is powered off. SET DAILY SCHEDULES - CallToU emergency call systems can display not only the number of calls but also the time. It can also set alarm clocks to remind different patients to take medicine or exercise at different times. Meaningful alarms, improved communication, and efficient systems for patients in need alleviate staff pressure. WEARABLE CALL BUTTON - Each call button comes with a 23A 12V battery. Available hang on the neck with an attached lanyard or place adhesive tape provided to fix on the wall. The alert buttons are mini-size and IP55 waterproof. When activated, visual and haptic feedback reassure the patients that help is on the way. LONG OPERATING RANGE - With up to 1000 feet / 300 meters operating range in open areas, the wireless nurse call system covers the functional requirements of most environments. Wide range of applications including nursing homes, clinics, physical therapy, assisted living, and wellness centers.     Push call button to send out help signal Nursing Caregiver Freedom Connected Care: delivers user help signal to a caregiver Versatile:You can set a separate ringtone and mode for each transmitter Wireless: Wireless the plug-in receiver, and personal emergency wearables Peace of Mind: The receiver and transmitter provides 24x7 support even when nobody is around Massive Capacity: The wireless call system is compatible with 40 call buttons in different numbers named 01 to 40       LED Call Number Display Receiver 10 ringtones to choose Alarm clock function 5-level volume adjustment (0db-120db) 300 meters(1000 feet) in the open area Plug in for use(Type-C，5V/1A)       Water-proof Call Button IP55 Waterproof Worn as a lanyard pendant Light feedback after pressing the button Compact size easy to carry the button with you Install it on the wall,bedside(package includes sticker)         Product information Package Dimensions 6.69 x 5.7 x 3.54 inches Item Weight 1.3 pounds Manufacturer CallToU Batteries 10 12V batteries required. (included)  

Product Description 【Wireless queuing system】 It can store 0-9999 numbers, you can provide customers with a digital label, when the order is ready, press the number you want to call, the wireless speaker will voice broadcast accompanied by the number display on the screen. It can call any number and recall. Press "+ " or "-", then the number will go to the forward or next number.【9 Voice broadcasts & Clock Display 】 9 Broadcast types for chunhee number calling system meets your multiple needs; 4 digital number calling system also has the clock display to show the time. Larger LCD screen; easy to read even at a distance; calling records cycle time is adjustable; no worry about customers miss the calling.【Multi-use for one machine】 Built-in double high-power speaker, beautiful appearance, and adjustable volume, it can also be external audio as you need (3.5mm jack). One keyboard can call multiple displays, and multiple keyboards can also be used to call one display. Beautiful design and portable to move, It can stand on the table, hung or wall-mounted.【Waterproof Touch Type Keypad】No button gap between call buttons can avoid be corroded. Even in the kitchen; food truck and other wet environments; it can work normally. Cozy touch button; operation is more sensitive; no harsh button sounds; makes comfortable and pleasant atmosphere in your restaurant or cafe.【Practical and convenient 】 Queue calling system is widely used in restaurants,shopping malls, clinics, churches, large office areas, recreation centers, service halls, and any places that need to line up or have a messy voice.Customers can browse and/or relax without fear of losing their place in line. Restaurant Number Calling System and Cozy Touch Keyboard Wireless Restaurant Transmitter and Receiver Restaurant pager system adopt higher working frequency; more stable signal; with double loudspeaker and G-Sensor function, a great choice for business use Double Loudspeaker Design, more clear voice Larger LCD Display easier to read even at a distance with Clock display design High Working Frequency more stable signal Prompt Cycle Time Setting no worry about miss the calling Support Any 3.5mm Jack audio or device suitable for various occasions IP34 Waterproof and 5 level Volume Adjustment, 4 Digits Display Cozy touch keypad Cozy touch kepadll not take much space at the restaurant or clinic front desk Can Be Used in Various Occasions The wireless calling transmitter can send 9999 different signals by combination from digit 0 ~9. It adopts the latest RF technology and digital identification technology, which makes the products stable and high performance, as well as make the paging system very easy to know which one is in need of service. The pager system is widely Used in 4S Auto Store, Bank, Factory, Warehouse, Shopping Mall, Recreation Center, Restaurant, Cafes, Food Court, Clinic, Church, Test Center, Hospital, Fast Food, Shop, Shopping Mall, Kitchen Call, Super Markets, Bars, KTV, Banks, Factories, Service Centers, Nursing Home, etc. to heighten the work efficiency greatly Features Double Loud Speakers Clock Display Matte texture screen 3-type Place Methods 4-Digital Waterproof Cozy Touch Keypad 9 Voice Types Available Various Voice Types Optional, Meets Your Multiple Needs 00. DingDong XXXX Please taking the meal 01. DingDong XXXX Please having a meal 02. DingDong XXXX Please transact business 03. DingDong XXXX Please go to the doctor 04. DingDong XXXX Please come to the counter 05. DingDong XXXX Please come in 06. DingDong XXXX please prepare 07. DingDong XXXX Please 08. DingDong XXXX   Long Range Long Range Between Button Transmitter and Number Display Speakers Double Loudspeaker, Clearer Voice Structure upgrade, equipped double loudspeaker soundbox, louder voices, good sound quality and a wider range. Easy to set volume by sliding volume UP or DOWN knob, when the screen of host display shows standby mode Volume Adjustment Easy to set volume by sliding volume UP or DOWN knob, when the screen of the number calling system shows standby mode Connected with Audio Available Audio interface on the side of Wireless Paging System, support any 3.5mm jack sound or device to plug, meeting your multiple needs   High quality calling system Various Place Methods Can stand on the table, can be hanging & wall-mounted Touch waterproof keypad button The one-piece touch keyboard is waterproof and oil-resistant than traditional keyboard which has no button gap and avoid be corroded; 15 keys with set and clearance keys, easy to operate, faster setting Less Signal Interference Transmitter button and speaker adopt higher working frequency; reduce signal interference effectively, more stable signal; light-weight; also has G-Sensor function function Anti-skid pad The cozy touch keypad with the anti-skid pad on the bottom. Don't worry for the keypad will move when you press it.   Package Dimensions 22.6 x 5.6 x 3.7 inches Item Weight 3.19 pounds

Product Description Q1: How portable is the CallToU Door Chime Receiver? A1: The CallToU Door Chime Receiver is incredibly portable, with an ultra-compact design that's 1/3 the size of an iPhone. With a working range of over 500 feet, you can easily move it to your bedroom, kitchen, or yard, ensuring you never miss an alert. Q2: Can I customize the alert settings on the door sensor chime? A2: Yes, the door sensor chime offers 2 different chime options and 5 volume levels, each with a strong vibration. If you prefer not to be disturbed by noise, you can set it to Mute + Vibrate, creating a comfortable and safe environment in your home or business. Q3: How does the CallToU Door Alarm help in monitoring multiple entry points? A3: The CallToU Door Alarm system is designed with numbers 1-20 on the receiver. When a door or window is opened, a ringing tone and digital display show the corresponding number, helping you instantly identify which entry point was accessed, enhancing your home security or business monitoring. Q4: Is there a low battery alert for the CallToU door sensors and receiver? A4: Yes, the CallToU Door Alarm system includes a low battery alert function. This feature ensures you are always aware when it's time to replace batteries, maintaining the reliability of your security system. Q5: What makes CallToU door alarms a reliable choice for home security and business use? A5: CallToU specializes in designing and manufacturing durable and effective security products, trusted by over 1 million families. Our door alarms are built to last, offering a reliable and cost-effective solution for preventing unauthorized access, monitoring visitors, and ensuring the safety of your loved ones or business premises.                 Technical Details Manufacturer ‎CallToU Batteries ‎AAA batteries required. (included) Batteries Included? ‎Yes Batteries Required? ‎Yes Battery Cell Type ‎Alkaline

Product Description Elevate your caregiving with our 📞 Caregiver Pager Call Button! 🏠 With a 500ft range and hassle-free wireless installation, you can place this life-saving device anywhere. 😇 Keep your 👵 elderly loved ones and patients safe and sound. When you're busy or relaxing, the emergency button alerts you. If you're in healthcare, our nurse call button ensures instant contact. 🔔 Enjoy 38 unique ringtones, adjustable volume (from silent to 110db), and LED number displays, making it easy to identify the caller's location. 🎶 This system's impressive 500ft range covers multi-story homes and is easily expandable with additional buttons or receivers. 🌐 Plus, our top-notch after-sales service ensures you have the best shopping and user experience! 🌟💼👨‍⚕️🏡 CallTou Caregiver Pager Panic Button Bed Alarms and Fall Prevention for Elderly/Patient/Disabled/Child How to pair more transmitters and select music? Step1 Press the “forward”/”backward” button on the receiver to choose your favorite melody. Step2 Press and hold down the volume button,until it makes a “Ding” sound and the receiver indicator flashes. Step3 Press the call button quickly,it will make a “Ding-Ding” sound and the receiver indicator flashes. Step4 Press the call button again to confirm if the current ringtone is the one you set, if it is, the pairing is complete. Caregiver Call Button Features of Plug-in Receiver Default Ringtone: Ding-dong sound Working Voltage: 110-260V Operating Range: 500Ft/150m Package includes: Plug-in Receiver & Wireless call button Double-sided tape include User Manual Technical Details Manufacturer CallTou Item Weight ‎7 ounces/14.7 ounce Package Dimensions ‎4.41 x 3.66 x 3.5 inches/5.51 x 5.12 x 3.35 inches Batteries ‎AAA batteries required.(included) Item Package Quantity ‎1 Batteries Included? ‎Yes Batteries Required? ‎Yes

Product Description Wireless door sensor installation is easier than wired installation.Just plug in the Receiver and stick the wireless door sensor on the door/window or elsewhere. After pairing, open the door and window, the receiver will ring [ Protect Your Family&Visitor Door Chime ] It will send alarms warning you if your kids who sneak out bedroom or house and will alert you if someone opens your door/window at night.Door chime can be used as a way of remind business when customers coming [ 55 Ringtones & 5 Volume & 7 Colour Display ] The door open alert ringtone is equipeed with 55 kinds of ringtones of different style for your choices.5 levels adjustable volume(0dB to 110 dB), 7 colorful LED flash indicator can attract your attention even when the receiver is muted [ 1000ft/300m Open Area Range ] The signal distance of wireless door chime kit in open area is up to 1000ft Whether you are upstairs,in the garden,or a few rooms away, you can hear the bell ringing. The entry alert chime just plug into outlet,then stick door sensor to any doors or windows LIFETIME WARRANTY:Our wireless door chime is FCC, CE, and RoHS certified. We provide customer service and comes with a 90-day free return and a 365-day exchange service. Your satisfaction is our top priority New upgraded new products！  Door Chimes When Door Opens By Alarm Sensor Chime  How to pair to play?   Technical Details Color ‎Black Material ‎ABS Power Source ‎AC Installation Method ‎Self-Adhesive Plug Format ‎A- US/UK/EU/AU 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 calling system - If you are confusing how to manage customer queuing situations and save waiting time, This number calling system will help your business to refuse to be tedious! 3 Digital & Dual Speakers - 3 digital number display screen up to 999 numbers for your business. The dual speaker and 0-15 volume levels make the number broadcast to be clear and loud for any occasion. And the 3.5mm audio port support connects it to external speakers. 9 Broadcast Voice - With 9 broadcast voices for options, "Ding-Dong Number XXX please take the meal" "Ding-Dong XXX Please Come to the Counter" "Ding-Dong XXX Please Go to The Doctor", etc. Rechargeable & Portable Keypad - Wireless rechargeable keypad supports 5-8 hours of work time. The button is made from soft rubber to provide a comfortable touch experience and waterproof oilproof features. Long Range - Up to 120m(398ft) in an open area, 30-50m(98-164ft) in the business building. Easy to Use - This calling system has no wiring and fees required, just plug into the power to use. And the number display screen supports place on the table or wall mounted to use (There have two wall-mounted holes on the back, but there are not including screws in the box.)   9 Type Prompt Voice   Portable Keypad & Loud Host Screen Rejected Keypad   Loud Speaker   Easy to Install Wall Mounted   Stand on the Table   How to use this number calling system? Product information Product Dimensions 12.9 x 1.38 x 4.5 inches Item Weight 2.2 pounds Manufacturer CallTou Country of Origin China Item model number CK05

Product Description LONG RANGE SIGNAL DISTANCE: Call System operating range covers 1000 feet in an open area. walls and other objects will decrease operating distance, practical distance depends. FUNCTIONAL AND PRACTICAL: Wireless pager system most support to 255pcs wireless call button(NEED MORE BUTTON ASIN: B07XG78Y99, NEED MORE DISPLAY SCREEN ASIN: B081GT9P7S), pager easy to configure Button, it can improve service efficiency and save staff cost in a restaurant, definitely a good helper for your business PLUG AND PLAY: Including 10pcs waterproof call buttons for guest use and 1 display signal receiver for service counter. the receiver can be mount on the wall by screw, the button can be easily fixed on each table or on the wall, the customers just need to press the button to call bells. Have been paired before shipping, no need any internet access. Call button standby time up to 6-12 months.ant, definitely a good helper for your business OCCASION: When the guest presses the button, the screen will display the number and the sound “Number X Call” will be sounded. You can set the volume level through the receiver, repeat the number of reminders, and whether to cycle the reminder. In addition, you can also classify call buttons for different occasions, such as Cafes, tea house, restaurant, hotel, hospital wards, nursing home, rehabilitation center, industrial factory workshop, office, nightclub, golf club, etc Wireless calling system Wireless Restaurant Pager System What are the benefits of this wireless calling system? Nowadays, the service industry improves service efficiency and site security awareness. It will be equipped with a pager or an emergency alarm. When the service personnel need to be found, the caller can make a call notification. It can: Greatly increased the safety awareness of the service industry. Improve the service efficiency of the staff. Wireless calling system, simple installation, no construction wiring, reducing most construction costs and materials costs   Advantages of wireless transmission: The overall cost is low and the performance is more stable. Flexible networking, you can add call buttons at any time, plug and play. Low maintenance costs, the device is a plug-and-play, maintenance-free system.   Where there is service, where is the need for a wireless calling system！ Nursery Restaurant Bar   Product information   Package Dimensions 10.51 x 7.64 x 3.7 inches Item Weight 2.75 pounds Manufacturer CallTou Batteries 10 12V batteries required. (included)