Daytech Wireless Calling System Caregiver Pagers for Restaurant Tables Nursing Home with 1PC Display Receiver and 10 PCS Waterproof Call Buttons LONG RANGE SIGNAL DISTANCEsystem signal range covers 1000 feet in open area. walls and other objects will be decrease operating distance, practical distance depends. CONVENIENCE: the receiver can be mount on the wall by screw,button can be easily fix on each table or on the wall, the customers just need to press the button to get help. FUNCTIONAL AND PRACTICAL: wireless pager most support 171pcs wireless call button,pager easy to configure Button,it isimprove service efficiency and save staff cost in restaurant, definitely a good helper for your business PLUG AND PLAY: Including 10pcs table buttons for guest use and 1 display signal receiver for waiter or waitress. been paired before shipping,call button standby time up to 6-12 months USE OCCASION: Cafes, tea house, restaurant, hotel, hospital wards,intravenous drip room,nursing home, rehabilitation centre,industrial factory workshop, office, nightclub, golf club, leisure clubs, billiard room,bowling alley.