LPT003 Battery Voltage Tester, Volt Meter-monitor, Buzzer Alarm 1-8S
It could be used in the shop or on the field as battery Voltage Tester-Meter also could be installed on board as battery Voltage monitor, buzzer - Alarm.
It is a safety device allowing the battery to be use more safely.
When the voltage is below the set value, it will buzzer with red LED light (pre-set value 3.3V)
Pushing key you can change the voltage settings and save.

Battery type
Voltage detection
Unit display range
Total display range
1S test mode range
Low voltage alarm
Alarm set range
1-8S - LiPo, Li-ion, LiMn, Li-Fe
0.5 - 4.5V
0.5 - 36V
3.7 - 30V
2 - 8S
OFF - 2.7V - 3.8V
Dimensions L.W.H
10 g / 0.35 oz.
41.6x16.6x7 mm / 1.6x0.65x0.27 in.