Features: Function:Intelligent recognition of voltage/resistance/Multimeter mode (measuring voltage, resistance, diode, continuity)/Oscilloscope function/Vehicle parts activation/0-5V adjustable power supply/Multiple languages available for selection.Professional circuit diagnostic tools for automobiles/motorcycles. Multimeter Mode: In addition to voltage and resistance measurement, the TopDiag P100 Pro also has a multimeter mode that can measure parameters such as voltage, resistance, diodes, and continuity, providing comprehensive circuit testing functions, quickly test various numerical values of automobiles. Convenient and Fast Testing: No need to disassemble components, it can achieve safe and efficient test. Can effectively achieve on/off and activation testing of various automotive components, automotive components such as light bulbs, motors, ECUs, etc. Oscilloscope Mode&0-5V Power Supply: Car Circuit Tester can visually display the voltage, time interval, frequency and other numerical values of circuit components.Sensitive component power activation: 0-5V power supply, adjust the input voltage of the detector, and perform power activation tests on sensitive components. Widely Used: Convenient and fast, supporting the detection of various circuit systems such as cars, trucks, motorcycles, ships, and heavy machinery equipment.Supports multiple languages. Supports test of all 12 24V vehicle electrical systems. Support Multi-languages: English, Espanol, Deutsch, Francais, Italiano, Portugal, Polish, Russian, Vietnamese, Thailand, Indonesian, Filipino, Malay. Specifications: :TopDiag Model:P100 Pro Item:Car Circuit Tester Color: Black Material: Plastic Display: 2.4inch TFT Color Display Activate Current Testing Range: 0-18A Testing Voltage: 0.1~100V≤1% Error Power Supply: 12.0 or 24.0V from car battery Maximum Continuous Current: 18A Resistor: 1~200K Working Voltage: 9-30V Working Temperature: 0~60 Storage Temperature: 40~70 Tester Body Size: 24.6*17.6*7.6cm Package Size: 25*8.5*18.5cm Package Weight: 1120g Package List: 1 * Car Circuit Tester 1* Cable Sets 1* Storage Bag 1* User Manual