Low Voltage Buzzer for 2S, 3S, 4S LiPo battery
Specifications :
When full power (>3.6V) 2S (7.2V) LiPo battery 2 green LED keeping light
When full power (>3.6V) 3S (10.8V) LiPo battery 2 green LED keeping light
When full power (>3.6V) 4S (14.4V) LiPo battery 2 green LED keeping light
When voltage (<3.3V) it will buzzer with red LED light
Size : 39 x 25 x 11mm