The Autel Maxiscope MP408 is a four-channel oscilloscope designed to measure and test all modern vehicle electrical components and circuits. Notable features include: Low Pass Filter feature to clean and focus dirty waveform signals for easier diagnostics; one-click auto setup of voltage scale and time base; works on advanced sensors and circuits including LIN, CAN and FlexRay data bus systems; intuitive UI design with easy trigger point adjustment and real time scale information display; free software updates; and portable and strong house with protective rubber boot. This tool includes a one-year warranty.