Feature: 1. KONNWEI KW903 is a small adapter that plugged into the vehicle OBDII-connector. 2. Connects to Android, Windows PC with associated diagnostic procedures on BT. 3. Read diagnostic trouble codes, both generic and manufacturer-specific, and display the meaning (over 3000 generic code definitions in the database). 4. Clear trouble codes and turn off the MIL (\"Check Engine\"light). 5. Download data to external media in a variety of formats for later printing. 6. Perform a complete computer diagnostics car and even to correct minor faults without resorting to service stations. 7. No wires or battery(Powered by diagnosis sockets). 8. Record various parameters, and display real-time operating performance: Momentum, Engine RPM, Calculated Load Value, Coolant Temperature, Fuel System Status, Vehicle Speed, Short/Long Term Fuel Trim, Intake Manifold Pressure, Timing Advance, Intake Air Temperature, Air Flow Rate, Absolute Throttle Position and more. 9. Suitable for Android Phone and Windows PC ONLY. Specification: Features: KONNWEI KW903 is a small adapter that plugged into the vehicle OBDII-connector. Connects to Android, Windows PC with associated diagnostic procedures on BT. Read diagnostic trouble codes, both generic and manufacturer-specific, and display the meaning (over 3000 generic code definitions in the database). Clear trouble codes and turn off the MIL ("Check Engine"light). Download data to external media in a variety of formats for later printing. Perform a complete computer diagnostics car and even to correct minor faults without resorting to service stations. No wires or battery(Powered by diagnosis sockets). Fast and reliable ARM chips. Record various parameters, and display real-time operating performance: Momentum, Engine RPM, Calculated Load Value, Coolant Temperature, Fuel System Status, Vehicle Speed, Short/Long Term Fuel Trim, Intake Manifold Pressure, Timing Advance, Intake Air Temperature, Air Flow Rate, Absolute Throttle Position and more. Suitable for Android Phone and Windows PC ONLY. Protocols : 0.Automatic 1.SAE J1850 PWM(41.6Kbaud) 2.SAE J1850 VPW(10.4Kbaud) 3.ISO9141-2(5 baud init,10.4Kbaud) 4.ISO14230-4 KWP(5 baud init,10.4 Kbaud) 5.ISO14230-4 KWP(fast init,10.4 Kbaud) 6.ISO15765-4 CAN(11bit ID,500 Kbaud) 7.ISO15765-4 CAN(29bit ID,500 Kbaud) 8.ISO15765-4 CAN(11bit ID,250 Kbaud) 9.ISO15765-4 CAN(29bit ID,250 Kbaud) 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) Specifications: Brand: KONNWEI Color: Red White Item model number: KW903-BT3.0 Supply voltage(VDD):12V； Work temperature range: -20 ~ 70C； Storage temperature range:-40 ~ 125C； RF sensitivity(Basic Rate): -85db； Modulation Mode:GFSK； Frequency Range:2402 ~ 2480MHZ； Transmission Range:10M； BT Profile:SPP； UART Params:38400,8,N,1; Package Weight: 50g / 1.8oz Package Size: 12 * 5 * 1cm / 4.7 * 2 * 0.4in Package List: 1 * KW903 BT OBDII Scanner; 1 * CD; 1 * Manual; Package List: 1 * KW903 BT OBDII Scanner; 1 * CD; 1 * Manual;