Multi-Functions - Practical multifunctional OBD2 code reader with built-in OBD2 DTC lookup library, which can help you determine the cause of engine light, read code, clear code, view freeze frame, I/M ready, vehicle information, data stream, real-time curve , get vehicle speed information, calculate load value, engine coolant temperature, get engine speed. Extensive Features - Supports 9 protocols, compatible with most 1996 US, 2000 EU and Asian cars, as well as newer OBD II and CAN domestic or imported vehicles. LCD Display - Designed with a clear display LCD screen (128 x 64 pixels) - white backlight and contrast adjustment. No need for any batteries or chargers, the OBD reader draws power directly from your vehicle through the OBDII data link connector. COMPACT DESIGN - The car diagnostic scanner comes with a 2.5ft long cable made of very thick flexible insulator. There are 6 buttons on the OBD2 scanner: scroll up/down, enter/exit and button codes for quick query VIN vehicle number and DTC trouble. Does not support ABS/airbag codes - it is able to read and clear check engine information as part of OBDII systems, but it will not work with non-OBDII systems including ABS/airbag/oil service lights etc.