New Lipo battery Voltage Indicator volt meter monitor buzzer Alarm 1-6S 3.7V-22.2V 3.7V 7.4V 11.1V 14.8V 18.5V 22.2V foldable Using the implementation audio synchronization

Using the implementation audio synchronization with the camera

do not need to revise it

Wire Type: 24 AWG Red Black Dual core cable wire

The cut-off voltage of each battery is 2

Item name: Eachine E56 RC Quadcopter

New Lipo battery Voltage Indicator volt meter monitor buzzer Alarm 1-6S 3.7V-22.2V 3.7V 7.4V 11.1V 14.8V 18.5V 22.2V foldable Using the implementation audio synchronizationUse for 1 8s Lipl Li ion LiMn Li Fe Voltage detection pricision: 0. 01V Unit voltage display range: 0. 5V 4. 5V Total voltage display range: 0. 5V 36V 1S test mode voltage range: 3. 7v 30v Low voltage alarm mode for 2 8S Alarm set value range: OFF 2. 7V 3. 8V When the voltage is below the set value,it will buzzer with red LED light,pre set value 3. 3V. Push key which can change the voltage settings and save. packing contents: 100% Brand New 1 X Buzzer