Features:

* Low voltage Buzzer alarm mode for 2-8S.

* With a push key by which you can change the value settings and save.

* When voltage is below the set value， it will buzzer very loudly with red LED light. (pre-set value is 3.3V)

* Mini shape， no larger than a common key.

* Compact， easy to carry.

* Really useful in flight if you can't see the lights.

* Use for 1-8s Lipo/Li-ion/LiMn/Li-Fe.

* Voltage detection precision: ±0.01V

* 1S test mode voltage range: 4-15V

* Low voltage alarm mode for 2-8S

* Alarm set value range: Off 2.7-3.8V

Package weight: 9g

Package including:

1*Lipo Battery Voltage Tester 1S-8S link + Low Buzzer Alarm