Features:
*Supply voltage(VDD):12V
*Work temperature range: -20 ~ +70℃
*Storage temperature range:-40 ~ +125℃
*RF sensitivity(Basic Rate): -85db
*Modulation Mode:GFSK
* Frequency Range:2402 ~ 2480MHZ
* Transmission Range:10M
* Bluetooth Profile:SPP
* UART Params:38400,8,n,1
* 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

The device is a small adapter that plugged into the vehicle OBD-connector.
On Bluetooth, 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.

Package Included
1 x KW903 ELM327 Scanner 
1 x User Manual