New in box. Includes: Unit with built-in Extension Cable. Small and portable. Plug & Play, easy to use, no batteries needed. Compatible Vehicles BMW 2001 and newer OBD2 Mini 2001 and newer OBD2 Rover 75 2001 and newer OBD2 How To Use Plug it in with the ignition off. When the lights on the unit remain lit, turn the ignition on but do not start the engine. Press the button on the function you wish to reset. The lights will all turn on to indicate success. *Some models need the inspection reset before the oil service will reset.Kairong