Lujex 1-8S 2in1 RC Li-ion Lipo Battery Low Voltage Meter Tester Buzzer Alarm
Voltage detection precision:0.01V   Unit voltage display range:0.5-4.5V   Total Voltage display Range:0.5-36V   1S test mode voltage range:3.7-30V     Low voltage Buzzer alarm mode for 2-8S   Alarm set value range:OFF-2.7V-3.8V  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  100%Brand New