Features:
Function of checking your lipo cells voltage.
Voltage display function and low voltage alarm funtion.
Protect the battery from overcharging or overdischarging.
Use for 1-8s Lipo/Li-ion/LiMn/Li-Fe.
Test the working state of lithium battery.
Automatic protects against reverse connection.

Specification:
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
Alarm set value range: OFF-2.7V-3.8V
Low voltage alarm mode for 2-8S
size: 4*2.5*1.1cm
weight: 9g
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.

Item Package:
5 * 1-8S Battery Voltage Buzzer Alarm