Function: Car circuit system tester supports voltage test, resistance test, diode test, short circuit protection, component activation and other functions with high practicality. Equipped with TFT color screen, clear icons and large text, easy to see. High-sensitivity probe helps you reach hard-to-reach areas by hand more easily. Internal enhanced input protection against reverse polarity, over-voltage protection, bad test chuck contact protection, etc. for safer use. Supports multiple languages, English, German, French, Spanish, Italian, Portuguese, and Russian, you can choose according to your needs. Easy to operate and use, compatible with 12-24V vehicles, suitable for car mechanics as well as home vehicle maintenance and repair. Specifications: Color: Black Material: ABS Display: TFT color screen (160x128) Input Voltage: 12.0V or 24.0V DC Voltage Ranges: 0-65V Resistance Ranges: 0-200KΩ Rated Current: 1-10Amp. Working Temperature: 0-60℃(32-140℉) Storage Temperature: -40-70℃(-40-185℉) Extension Cable Length: Approx. 2M Test Standard: 100% Current: no trip 150% Current: trip in one hour 200% Current: trip in 3-30 seconds. 300% Current: trip in 0.5-4.0 seconds. Package Included: 1 x Car Circuit Tester Kit 1 x User Manual