DROKxae; Mini Digital Ammeter 0-50A DC Electric Panel Blue LED Amprage Tester Cur. Power Supply: DC 6-24V Measuring Range: DC 0-49.9V Display: three 0.36" blue LED digital tube Accuracy: 0.5A Application: Storage Battery Car,Motorcycle, Car, E-bike, ATV, Scooter, and DIY etc.