iKKEGOL iCar 2 Mini OBD2 OBD II WiFi Car Diagnostic Scan Tool for iOS iPhone iPad PC (Blue) Small size, compact structure. Plug and never unplug Stable wireless connection,No wires or batteries (adapter is powered by the diagnosis size sockets) Stop communication, wait half an hour, auto sleep Supports all OBDII protocols The adapter uses the fastest and most reliable ARM chip