"The Topdon Phoenix Max OE-Level Scan Tool offers a wide array of functionalities that will expand any technician's capacity to complete even more jobs. With a 13.3"" screen, this automotive diagnostic scanner includes a 4-channel oscilloscope, ADAS compatibility, and Topology Mapping that shows all car systems in 1 view. Its updated MDCI (Modular Diagnostics & Communication Interface) includes the latest protocols, allowing professionals to perform more complex repairs on various automotive and heavy-duty vehicles with optional add-on software (not included). Run diagnostics on a variety of cars 13.3"" screen 4-channel oscilloscope ADAS compatibility Topology Mapping shows all car systems in 1 view Updated MDCI include latest protocols Optional add-on software (not included) lets you repair heavy-duty vehicles"