ZJ-41L
Watch wireless calling system
The watch wireless calling system is used for old people or hospital offering calling service which includes one watch transmitter and one watch receiver. When some one needs service, just press the Call button, the receiver will receive the service calling and get to provide service as soon as possible.
Feature
Wrist watch design, easy to use
RF wireless technology, no need wiring
Learning code to pair freely
Optional for vibration or speaker
Built-in rechargeable battery
Low power indication
Technical date
Working frequency: 433.925MHz
Encoding: Learning code
Sensitivity: -108 dBm
Battery: Rechargeable Li-ion battery
Power supply: DC5V/500mA