SINGCALL Wireless Calling System, Nurse Call System, 360 Degree Waterproof Pager Watch Receiver, No Screw Pager, Pack of 5 Pagers and 1 Receiver

Mobile Watch Receiver: 01. Waterproof. (It can be put into 3.3ft (1.0m) 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 anti-seismic and knock. Call Button: 01. Built-in silicone pad, 360 degree waterproof handling. 02. Small, thin, no screw, replace the battery easily. 03. Anti-temperature and humidity changes. Strong EMC anti-interference