SINGCALL Wireless Calling System Waiter Service System for Bank Restaurant Cafe Restaurant Hospital Factory Office 5 Call Buttons 1 Waterproof Mobile Watch Receiver

Mobile Watch Receiver 01 Waterproof It can be put into 33ft 10m deep water then it still can work for more than 30 minutes 02 Has calendar clock and alarm clock function Rechargeable battery super standby time about 5 days 03 With fast delete function it can delete one registered number or all registered numbers with only one key 04 Can download the registration information by charged software makes the registration easier 05 With encryption function avoiding the information lost by mistake operation 06 OLED screen thinner lighter and more flexible antiseismic and knock Call Button 01 Diffusion color dream light 02 Launch of high sensitivity superior touch buttons 3 The functions of temperature humidity change resistance with security stability reliability