1.[Cost-effective]P100 Pro is an ultra-high cost-effective, more efficient automotive circuit diagnostic testing and analysis instrument, a highly integrated automotive specialized testing instrument. P100 Pro Circuit Tester is most accurate power circuit probe tester yet, with 240320 TFT display test all 6-30 volt vehicle electrical systems. 2.[Upgraded Ver. of P100] power probe P100 Pro function includes Intelligent identification of voltage/resistance; Multimeter mode (measure voltage, resistance, diode, continuity ); Oscilloscope function; Activation of vehicle components; 0-5V adjustable power supply; Testing frequency; Built in multiple languages. 3.[Components Activation ]The component activation feature is specially designed to troubleshoot on/off-board electrical equipment. By activating the signal generated by the component, you can accurately judged whether the component is intact, such as blower motor, power window motor, windshield wiper, rear window defroster, lights, radiator fans, fuel injectors, etc. Autel circuit tester automotive tool can activate component in your hand/ in the vehicle/ with ground etc. 4.[Quickly Test]With this Automotive Circuit Tester kit, intelligent test identification of voltage value, resistance value and positive and negative polarity, grounding detection, poor line , Short circuit tracking and positioning, continuity test, signal circuit test, etc. can be performed. Accelerates diagnosis and troubleshooting of automotive power circuit problems. 5.[0-5V Power Supply]Our car automotive diagnostic test tool has a 0-5v power supply function that other common Circuit Test tools do not have. It can simulate the voltage output by the sensor (0-5v can be adjusted incrementally), so as to verify whether there is a short circuit or fault in the ECU circuit.