Features: 1Wireless Transmission: The pager systems is a host that controls 16 sub machines, with wireless transmission, up to 998 sub machines can be connected, which can serve more customers 2800m Transmission: The restaurant calling pager system has a transmission distance of 800 meters, with vibration, buzzer, flashing light 3 vibration modes 3Deep Waterproof Design: The restaurant pager has a safe deep waterproof design, with touch screen keyboard transmitter host, which is waterproof and oil proof 420H Standby: The wireless pager systems has a stable and reliable chip to ensure long standby time of 20 hours, which can avoid frequent charging troubles 5Scope of Application: The wireless calling system is used in fast food restaurants, food courts, pizzerias, churches and auto shops or other places where there are many customers waiting to be served Package included: 1 xWirelessCallingSystem 16 x Restaurant Pager 1 x Power 1 x User Manual