1.Instruction

In case of emergency or unexpected events, press the transmitter on the wrist, the watch alarm vibrate or drops, the red LED lights, to facilitate to notify everyone Rapid collection or evacuated at the first time

Watch Wrist Receiver. Used for old people or hospital offering calling service which includes one watch transmitter and one watch receiver. When you feel you needs help, just press the CALL button, the nurse or your couple will receive the call and and will know you need him. have 4 chanells.can be paired with max. with 20 different calling transmitters

2.Features

1. Wrist watch design, simple to operate and take
2. 4 matched call buttons
3. Smart wireless signal detecting and ant
4. Built-in adjustable vibration and buzzer

3.Wrist Watch call button

4.Wrist watch receiver

• Four light display to show which tranmitter send the information.
• And also virbration to remind.

1. Working voltage: DC3.6V~4.2V
2. Power-off current: <300μA
3. Standby current: <6mA
4. Working frequency: 433.92MHz
5. Receiving sensitivity: ≥-108dBm
6. Decoding: learning code
7. Modulation: OOK
8. Size: 59x35x16mm

Application