1. Suitable for cars with OBD2 and EUOBD ports (car automatic diagnostic system), plug and play 2. TFT LCD multi-color smart display 3. The first scan will show the vehicle protocol 4. Language can be changed 5. Multi-function display mode or simple function display mode can be switched freely New features: acceleration competition mode, performance test, and ability to read the entire vehicle data stream information Rich content: vehicle speed, engine speed, water temperature, voltage, instantaneous fuel consumption, average fuel consumption, mileage measurement, driving time, low voltage alarm, high water temperature alarm, overspeed alarm, engine fault code alarm, fault code elimination, mileage Switch freely. Colour:Black Material:Plastic Package Contents: 1 * monitor 1 * link line 1 * adsorption pad 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.