Automotive circuit tester for 6-24V DC systems with a 4.5 m / 14.8 ft test cable. Package includes 1 power circuit probe tester and user manual. Rated current 1-8 A with overload protection. Key benefits and features - Versatile diagnostic tool for automotive electrical systems: test battery voltage value, voltage polarity, conductivity; check lamps and motors; track and locate short circuits; test poor grounding and other faults. - Clear indication and illumination: LCD display and front LED light to illuminate dark work areas; positive polarity indicated by red LED, negative polarity indicated by green LED. - Simple operation: clamp the red clip to the positive terminal and the black clip to the negative terminal of the car battery for quick measurements. - Reliable performance: designed to operate within 6-24V DC, with overload protection for safe use on automotive circuits. What it does - Tests battery voltage and voltage polarity to confirm correct wiring and battery health. - Checks conductivity to assess circuit integrity. - Detects lamp and motor operation, helping verify proper function. - Tracks and locates short circuits and identifies poor grounding, aiding targeted repairs. Specifications - Operating voltage: 6-24V DC - Test cable length: 4.5 m / 14.8 ft - Rated current: 1-8 A with overload protection - Package contents: 1 power circuit probe tester and user manual Easy to use - Attach the red clip to the positive terminal and the black clip to the negative terminal on the car battery to begin testing. Use scenarios - Routine battery maintenance: quickly verify battery health and polarity in cars, trucks, or other 6-24V systems. - Electrical fault diagnosis: locate short circuits and diagnose grounding issues in wiring harnesses during repairs. - Lighting and motor checks: confirm operation of lamps and motors within automotive electrical circuits during diagnostics or after servicing.