Push key can change the low voltage settings and save
Easy to use - works with any 1-8S Lipo/Li-Fe battery with balance connector
Small and portable low voltage alarm, with double very loud buzzer
To know the working state of your battery anytime, protect the battery from overcharge and over discharge
Just plug into the balance plug and the LED will cycle through the total voltage as well as individual cell voltages

Specifications:
Voltage detection pricision: 0.01V
Alarm set value range: 2.7V-3.8V
Unit voltage display range: 0.5V-4.5V
Total voltage display range: 0.5V-36V
Suit for: 1-8s LiPo battery
Size: 40 * 27 * 13mm
Weight: 12g

Package Information:
Package size: 5 * 3 * 1.5cm / 2 * 1.2 * 0.6in
Package weight: 16g / 0.5oz
Adhesive tape packager