Support for Medium Speed CAN (MS CAN). Support all vehicles complying with OBD-II standards. Automatic electronic switching - This electronic switching allows to access all CAN buses at the same time and access advanced functions which the manual toggle switch adapters can . Compatible with 24V: Not only can it be used safely on 12V, but 24V system. Fast, Rock-Solid USB interface connetion: No dropped packets, data corruption, network interference. Functions: 1. Automatically lock 2. Speeding Alarm 3. Emergency brake flashing lights 4. Lock the car and whistle 5. Xenon lamp mode 6. One-click skylight 7. Tire pressure monitoring 8. Snowflake logo 9. Cruise function 10. Compass 11. Average (instantaneous) fuel consumption 12. ECO energy saving mode 13. Steering power adjustment And More... Product functions are limited by different cars and software versions, not all functions can be applied to all cars. Features: is a 32bits processor-based diagnostic tool. OBD adapter with fast USB interface can reach the highest 3Mhz baud rate, and let you enjoy smoother graphics and real-time meters. Read and clear the check engine indicator Check the diagnostic code yourself and make a smart car repair plan. Battery Saver Technology: Fully automatic standby and start: no switch or manual button required! This technology allows you to safely insert the adapter into the OBD2 interface without removing it, and it not cause danger to the car battery. Support 18V programming voltage output. OBD request byte up to 4128 bytes, can meet the needs of some special long frame communication. The serial buffer is 8192 bytes. Color:Black Material:plastic Package Contents: 1 * Auto Tester 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.