Features: 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 chips Description: The device is a small adapter that plugged into the vehicle OBD-connector. On Bluetooth-compatible , it connects to any computer, tablet or smartphone, With associated diagnostic procedures. Doing these simple operations, you will be able: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 KW902 you will be able to perform a complete computer diagnostics car and even to correct minor faults without resorting to service stations. KW902 scan tool is a high-quality automotive scanning tool. Supports protocols: 0.Automatic 1.SAE J1850 PWM(41.6Kbaud) 2.SAE J1850 VPW(10.4Kbaud) 3.for ISO9141-2(5 baud init,10.4Kbaud) 4.for ISO14230-4 KWP(5 baud init,10.4 Kbaud) 5.for ISO14230-4 KWP(fast init,10.4 Kbaud) 6.for ISO15765-4 CAN(11bit ID,500 Kbaud) 7.for ISO15765-4 CAN(29bit ID,500 Kbaud) 8.for ISO15765-4 CAN(11bit ID,250 Kbaud) 9.for ISO15765-4 CAN(29bit ID,250 Kbaud) 11.KWP2000 A.SAE J1939 CAN(29bit ID,250*Kbaud) B.USER1 CAN(11*bit ID,125*Kbaud) C.USER2 CAN(11*bit ID,50*kbaud) Default settings(user adjustable) The type of support: 1.Works with all OBD-II compliant vehicles 2.Wireless ( version) 10~20 meter 3.KW902( version) support for software applications Specifications: Brand: Konnwei Model: KW902 Material: plastic & silicone Color: Red, Orange, White Size: 61.3 x 46.9 x 24.8mm Compatability: OBD2 Note : This ELM327 is not working with for iPhone/for iPad now, if anythings confusing feel free to contact with me . Package Included: 1 x Car Diagnostic Tool 1 x CD 1 x User Manual