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 Function: 1. frequency 2. Network online free upgrade 3. Built in multiple languages Power Supply - ConnectionThe Probe is powered by the vehicle battery. Connect the RED clip to the positive pole of the battery, and the BLACK clip to thenegative pole of the battery. The probe will automatically start to the working interface, The front LED light will illuminate the testarea, which is convenient for operation in the darkarea Languages: English, Spanish, German, French, Italian, Portuguese, Polish, Russian, Vietnam, Thai, Indonesian, Filipino, Malay, Arabic, Korean, Japanese, Traditional Chinese, Simplified Chinese Display:2.4 inches (320*240 DPI) TFT true color display Working temperature:0℃-60℃ (32-140℉) Storage temperature:40℃-70℃(-40-185℉) 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-200K ohm Active Current measuring range:0-18A Maximum continuous current:18A Colour:Black Material:Plastic Package Contents: 1 * Car Electric Circuit Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.