* 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
* Unit voltage display range: 0.5-4.5V
* Total Voltage display Range: 0.5-36V
* 1S test mode voltage range: 3.7-30V
* 1S test mode detection precision: ±0.5%
How To use Click Bellow Button