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 Fist is recording video

Fist is recording video

Using the implementation audio synchronization with the camera

Usage: For WLtoys V911 RC Helicopter

1 * Set RC Car Light (with cover)

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 Fist is recording videoUse 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