Vegena Power Circuit Probe Kit, 3.5 - 36V Circuit Tester, Em285 Automotive Circuit Tester, Voltage Tester Car Electrical Tester Test Light Electrical System Diagnostics Tool With Led Indicator(Blue) Power Circuit Probe Kit Instructions: ✈Unfold the cable of the unit ✈Clip the red clip to the positive terminal of the vehicle battery ✈Clip the black clip to the negative terminal of the vehicle battery Power Circuit Probe Kit Specification: ✈Color: Blue ✈Working voltage: DC3.5-36V ✈Cable length: 4.5 meters ✈Rated current: 1-8Amp ✈Overload protection: 8A (when the current exceeds 8A, this item will automatically cut off the current) ✈Package size: 260*40*28mm ✈Package weight: 390g Packing list: ✈1 * Power Circuit Probe Kit