1-8s Lipo battery voltage tester low voltage buzzer alarm

Use for 1-8s Lipo/Li-ion/LiMn/Li-Fe battery
When the voltage is below the set value, it will buzzer with red LED light, pre-set value 3.3V. Push key which can change the voltage settings and save.
Voltage detection precision: 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.
1-8s Lipo battery voltage tester low voltage buzzer alarm