... -6s Li-xx Voltage Tester,cellmeter 6,Lipo battery checker alarm and flight as the voltage over value you set Cellmeter ... Alarm, 2s-6s Li-xx Voltage Tester,cellmeter 6,Lipo battery checkerCell meter-a is a microprocessor controlled high precise voltage detector ... *W*T,mm)Weight:12g Package: Transparent heat shrink tube. Warning Buzzer/LED 6S LiPO Alarm, 2s-6s Li-xx Voltage Tester ...