8 channels oscilloscope for vehicle testing. Over 80 types of automotive diagnostic function (Ignition/Sensor/Bus detection/Performe/Starter and charging circuits etc.). Video Help Function, provides the video help of diagnostic which can be watching online, The diagnostic result can be generated diagnostic report., printed or taken screenshot by pushing one key, many methods to save the data. Supported to record waveform for a long time. It can simulate camshaft and crankshaft signal. Transmit signals through USB 2.0 interface plug and play, and no need extra power supply;