The Konnwei KW850 OBD2 CAN Engine Check Diagnostic Scanner is a convenient automotive tool for compatible vehicles. It can retrieve available diagnostic trouble codes and provide information that may help users investigate engine and emissions-related warning lights. Simply connect the scanner to the compatible OBD2 diagnostic port and use the device to access supported information. Its portable handheld design makes it suitable for home garages, workshops, and roadside diagnostic checks. Ideal for vehicle owners, DIY mechanics, and automotive technicians who want a practical tool for preliminary fault-code checking and routine vehicle diagnostics.