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

Specifications:
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 to change the voltage settings and save.

Package Includes :
1 * 1-8S Voltage Buzzer Alarm