Feature: -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 Fuction : - The adapter uses the fastest and most reliable ARM chips The device is a small adapter that plugged into the vehicle OBD II-connector.On WiFi,it connects to any computer,tablet or smartphone.With associated diagnostic procedures.Doing these simple operations,you will be able: -Read,erase and display code descriptions problems-both standard and spetskodov manufactures -Measure the fuel consumption. -Display real-time operating performance of the car,such as momentum,vehicle speed,oil pressure,coolant temperature,engine load,intake manifold pressure,throttle position,the values of oxygen sensors,air intake temperature,and more -Turn off the MIL(signal Check-Engine) -Download data to external media in a variety of formats for later printing. -Record various parameters,display graphics in real time,and more. With this OBD professional solution ,you will be able to perform a complete computer diagnosis on car ECU and even deal with minor faults without resorting to service stations.