Feature:1. Practical Repair Tools: Automobile circuit tester is a practical auxiliary tool designed in the process of automobile electrical and line maintenance and inspection.2. Multifunction: Used to test battery voltage value, voltage polarity, conductivity, check lamp, check motor, track and locate short circuit, test poor grounding contact and other faults.3. Advantage: With front lighting, voltage value display, voltage polarity test, polarity output, overload protection, 4.5M long test line.4. Easy Operation: With the operation manual, clear and easy to understand, easy to use, no professional knowledge, but also easy to master the use of the method.5. Widely Applicable: Power circuit probe tester supports all 624V electrical system testing, including cars, pickups, SUVs, motorcycles, engineering vehicles, boats, etcSpecification:Item Type: Power Circuit Probe TesterExternal Power: 12V or 24V DC power supply provided by vehicle batteryOverload Protection Current: 8ADC Voltage Range: 6-24VCable Length: Approx. 4.5m / 14.8ftAccuracy: +2%Rated Current: 1-8AmpOperating Temperature: -10-60Relative Humidity: 80%Application: Designed as a practical auxiliary tool for automobile electrical and circuit repair testing, it can be used to test battery voltage, voltage polarity, continuity, check lights, check motors, trace and locate short circuits, test poor grounding contact, and other faults.Suitable for testing all 6-24V electrical systems, including cars, pickups, SUVs, motorcycles, construction vehicles, boats, etc.Warning:1. Only suitable for 6-24V DC environments, do not use in any AC or environments with power greater than 36V.2. During use, sparks may occur on the probe. Do not use in flammable gas, dust, or flammable environments.3. If any damage is found on the probe body or test leads during use, please stop using it.4. The probe tip is sharp, so pay attention to safety during use and storage..Package List:1 x Power Circuit Probe Tester1 x User Manual