Panel features:

1. Adopting a rotary knob without the need for additional installation, it is aesthetically pleasing and easy to install.

2. Equipped with password memory function, the power-off password will not be lost.

3. Adopting dual passwords for more flexible use.

4. Equipped with undervoltage alarm and password input error alarm.

5. Support mute function, button sound can be freely turned on or off.

Technical parameters:

1. Working power supply: Four No. 5 "AA" alkaline batteries

2. Working voltage range: 4.2V to 6.8V

3. Undervoltage point at work 4.5V ± 0.30V

4. Working current: ≤ 380mA

5. Static current:< 15uA

6. Working temperature:- 10℃～+70℃

7. Working humidity: 10% to 90% RH