1. Intelligent identification of voltage/resistance 2. Multimeter mode (measure voltage, resistance, diode, continuity) 3. Oscilloscope function 4. Activation of vehicle components 5. 0-5V adjustable power supply Functions: - Frequency measurement - Online network free upgrade - Built-in multiple languages - Power supply connection: The probe is powered by the vehicle battery. Connect the red clip to the positive pole of the battery and the black clip to the negative pole of the battery. The probe will automatically start to the working interface. The front LED light illuminates the test area, which is convenient for operation in dark environments Languages: English, Spanish, German, French, Italian, Portuguese, Polish, Russian, Thai, Indonesian, Arabic, Korean, Japanese, Traditional Chinese, Simplified Chinese Display: 2.4-inch (320*240 DPI) TFT display Working temperature: 0-60°C (32-140°F) Storage temperature: -40 to 70°C (-40 to 158°F) External power supply: 12V or 24V powered by battery Minimum working voltage: 9V Maximum working voltage: 30V Maximum measuring voltage: 100V Minimum measuring voltage: 0.1V Resistance measurement range: 1 ohm to 200k ohm Active current measuring range: 0-18A Maximum continuous current: 18A Color: Black Material: Plastic Package Contents: 1 x Car Electric Circuit Tester Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowed error is +/- 1-3 cm.