Easy to use - works with any 1-8S Lipo/Li-Ion/LiMn/Li-Fe. Just plug into the balance plug and the LED will cycle through the individual cell voltages as well as list the total voltage. You can set the alarm from 2.7 to 3.8V per cell or you can turn the alarm off.

Specifications:
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
Low voltage alarm mode for 2-8S
Alarm set value range: Off-2.7-3.8V
Length: 39.60mm
Height: 12mm
Width: 25.84mm