Technical parameters:
1. Working power supply: Four No. 5 "AA" alkaline batteries
2. Working voltage range: 4.0V to 6.8V
3. Undervoltage point at work 4.5V ± 0.2V
4. Working current: ≤ 380mA
5. Static current:< 15uA
6. Working temperature:- 10℃~+70℃
7. Working humidity: 10% to 90% RH |