Vgate iCar 3 Bluetooth Elm327 OBDII OBD2 ELM 327 iCar3 Bluetooth Diagnostic Interface For Android/PC B01H6WVLAW Easy to Use: Small size, compact structure. Plug and never unplug, Plug-and-Play Stable And Flexiable Utilization: bluetooth connection,No wires or batteries (adapter is powered by the diagnosis size sockets) Extensive Vehicle Coverage and Cool Configuration:Support all OBD-II protocols cars after 1996 year and newer. use the fastest and most reliable ARM chip Amazing Function:Auto Sleep;stop communication, wait half an hour, auto sleep.Download the diagnosis data to external media in a variety of formats for later printing. Record various parameters, display graphics in real time, and more Warranty: 100% Money Back Guarantee; hassle free 1-year replacement warranty with friendly and professional customer service