Multi-Functions:- Handy multi-function OBD2 code reader with built-in OBD2 DTC lookup library, which helps you determine the cause of check engine light, read code, clear code, see fixed frame, I/M, vehicle information, flowdata, real-time curve, get vehicle speed information, calculate load value, engine coolant temperature LCD Screen:- Designed with a clear LCD screen (128 x 64 pixels) - White backlight and contrast adjustment.No need for a battery or charger, the OBD reader receives power directly from your vehicle via the OBDII data link connector Compact design:- the car diagnostic scanner is equipped with a 2.5m long cable and made of extra thick flexible insulation.There are 6 buttons on the OBD2 scanner: scroll up/down, enter/exit and buttons that quickly determine the vehicle VIN number and DTC error code Handheld automotive fault detector, ergonomic, suitable for perfect control, unique on-screen display of automotive fault codes, real-time data, etc.for quick viewing, supports 6 popular languages and fully meets market needs Read general and manufacturer-specific diagnostic error codes and view their meaning (database contains over 3000 general code definitions)