YA-0019 Low voltage + buzzer Reader for 1-8 LiPo celler

This Li-Po delector is designed to measure 1-8 cells Li-Po batteries with dual buzzer
When the voltage is below the set value, it will buzz and flas with red LED light
Feature:
Voltage detection precision: Approx. 0.01V
Unit voltage display range: 0.5-4.5v
Total voltage display range: 0.5-36V
1S Test model voltage range: 3.7-30V
Low voltage alarm model for 2-8S
Alarm set value range: OFF-2.7-3.8V