Supports 2.8-inch TFT color display Supports all OBDII protocol 12V cars and 12 languages. maintenance assistance has been added. When the customer's car has problems or malfunctions, professional maintenance guidance and suggestions will be provided. The newly added carbon deposit detection function for the engine is generally conducted by observing the exhaust pipe, cold start difficulty, idle stability, cylinder knocking and fuel consumption changes, etc. This product can directly detect, allowing customers to have a real-time understanding of the carbon deposits in their engines, thus avoiding engine damage and leading to a decline in engine performance, such as difficult cold starts, unstable idling, abnormal noises during acceleration or poor acceleration fuel detection function has been added. Fuel detection refers to the process of analyzing and evaluating the quality and composition of fuel. This kind of testing is not only to ensure the compliance and safety of fuel, but also an important measure to maintain engine performance and reduce pollution emissions. The air flow detection function has been added. Color: Black Material: ABS Specification: Package Contents: 1X OBD2 Car Scanner