Functions:_x000D_ Multiple functions_x000D_This power can test voltage polarity, check switches, relays and on/off diodes, fuses and circuits, trace and locate short circuits._x000D_Long power cable and ergonomic power be convenient for you to use in cramped areas ; the 4 meter long extension cord is useful for mobile maintenance work; the clip with strong bite force is not easy to fall off, giving you a better experience._x000D_High Sensitive_x000D_ The electric tester uses advanced high sensitive probes to give you fast and accurate detection. Using the continuity tester can save a lot of time to troubleshoot the car's management circuit, to quickly and accurately find the incorrect lead and its error point._x000d_ easy to use_x000d_ this power is easy to use, no complicated process, comfortable and practical. all 6V to 24V electric car systems and can work well on cars, trucks, boats, trailers, motorcycles and airplanes. _x000D_ Specifications:_x000D_Item type: power : plastic and stainless_x000D_Color: black+ red_x000D_quantity_4x000: 0000D_quantity_0: 00p_Cm_0: 0 0 0 cm .2inch_x0 00D_Operating voltage: 6-24V DC_x000D_Overload protection: 7A When the current exceeds 7A, this item will cut off the power automatically._x000D_Weight: about 20050g_x000D : 225mm8 .85inch_x000D_Item Width: 30mm1.18inch_x000D_ Packing List_x000D_1*Car Electrical Tester_x000D_