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