LiPO Alarm, 2s-6s Li-xx Voltage Tester,cellmeter 6,Lipo battery checker alarm and flight as the voltage over value you set Cellmeter ... Warning Buzzer/LED 6S LiPO Alarm, 2s-6s Li-xx Voltage Tester,cellmeter 6,Lipo battery checkerCell meter-a is a microprocessor ... range:3.00-29.94VAlarm cell Voltage:2.00-4.00vCurrent Loading of Test:8mAPins distance:2.54mm or 2.00mmSize:80 ...