High-Capacity Pager Watch :Supports 200 WNKRUN call buttons (001-ZZZ). Ideal for restaurants, clinics & cafes. Reliable wireless pager system with long-range coverage. IPX67 Waterproof Pager Watch:Can be used normally even while washing hands. Alert modes: Digital display + vibration. Two call display types: 1 group three-digit number + call type, or 4 groups of two-digit numbers. Display language: English. Rechargeable 6-Key Call Button:Press different keys to alert corresponding watch receivers. Extend the antenna for optimal signal strength. Red LED indicates low battery and you need to charge for it. Plug & Play - No Setup Needed:Pre-programmed at the factory, this wireless restaurant pager requires no setup—just power it on and start using it immediately. Supports multi-device reception, perfect for busy environments. 250M Range & Anti-Interference:With stable signal transmission, this pager system works up to 250meters (820 ft) in open spaces. Walls may reduce range, range can be extended using the WNKRUN repeater (160 A). Wireless Restaurant Paging System with 6 Waiter Watches/1 Call Button, Fast Alert Buzzer for Dish Pickup, Chef Calls, Food Service – Diner, Cafe, Catering Staff Communication