2IN1 Li-ion RC Lipo Battery Low Voltage Alarm 1S-8S Buzzer Indicator LED Display 3.7-30V Dual SpeakerDescriptionThis is a new product combining all the voltage measurements with low-voltage alarm func..

Specifications:Type: 3.7V/2S/3S/4S/6SDisplay color: blueHousing color: black+greenSize: 45*20mmMaterial: plastic, electronic componentsPackage list:1 x  lithium battery capacity indicator moduleF..

specification:Display: 0.28"LED, red/yellow/blue/green  (optional)Size: 30*11.7*9.2mm (L*W*H)Material: PP+electronic components2 wire working voltage：4.0~40V  (with reverse connection protec..

Multi Servo Tester 3CH ECS Consistency Speed Controler Power Channel CCPM Meter Master Checker RC Dron Helicopter Parts RC HobbyFeatures:CCPM Servo Consistency Master / Servo testerThe device als..

1 X Retractable Ruler Measuring Tape Portable Pull Ruler 3m..

1 X Tester Screw Driver Electrical Tester Voltage 100-500Vac 3*170mm..

1 x Tester Screw Driver Voltage 100-500Vac Electrical Tester Pen 3*140mm..

1 x Tester Screw Driver Voltage Pen Electrical Tester Voltage Test Pen 5*160mm..

The voltmeter is applicable to almost all electric vehicles, high precision, stable and reliable.High precisionMinimum 5 v low working voltage,with reverse polarity protection, reverse does not burn.U..