KW906 bluetooth car OBD2 code reader applies for all 12V gasoline and vehicles/hybrid electric vehicles, it's a 16 Pin plug that plugged into the vehicle OBD port. KW906 OBD2 scanner comes with an ON/OFF switch to prevent constantly disconnecting your unit from the OBDII port. It also support high speed communication and low power sleep mode. By connecting with phone, the OBD2 scanner can quickly read car engine emissions data and check drive cycle verification. Features: KW906 BT5.0 car OBD2 diagnostic scanner is to detect and interpret these protocols automatically. It also provides support for high speed communications and a low power sleep mode. KW906 BT5.0 . It also comes included with a power switch built-in to prevent the need for having to constantly disconnect your unit from the OBDII port. Functions: Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning. (over 3000 generic code definitions in the database). Clear trouble codes and turn off the ("Check Engine" light) Engine RPM Calculated Load Value Coolant Temperature System Status Vehicle Speed Short Term Trim Long Term Trim Intake Manifold Pressure Timing Advance Intake Air Temperature Air Flow Rate Absolute Throttle Position Oxygen sensor voltages/associated short term trims System status Pressure CLEAR CHECK ENGINE LIGHT - This Pro code reader help you save money and accurately diagnose check engine light problem. Very easy to use. EASY FITMENT - The majority of cars the past 2 decades are fitted with an OBD2 diagnostic port, simply find the port and plug the Pro in. Color: Red Material: plastic Package Contents: 1 x Car Diagnostic Tools e Reader Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.