Features: Automotive Electrical Circuit Tester, Component activation, Continuity testing, Ground detection, Tracing and locating short circuits, Positive and negative poles detection. Automotive electronic control system activators, suitable for 12-24V automotive power supply circuit diagnosis. Compact design, powerful function, reverse connection and overload protections. Flexible wire lead has good tensile strength,with alligators clip. With led torch light,easy to use at night or in poorly light environments. Specifications: Material:ABS Power supply voltage DC12-24V Working current: 80mA Activation current: 8A Cable length: 4Meters/13.12Ft Package Includes: 1Set Car Circuit Tester note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.