1. Plug and Play: EUOBD & OBD Cable - Full 16 Pin. 2. HUD turns on/off when the car engine turns on/off. 3. Large Screen: Wide angle for better visibility. 4. With mirror projection, the display data is brighter and clearer, without ghosting. 5. Speed Unit: KM/H and MPH. This is the latest OBDII head-up display HUD mirror with a large screen. It displays driving data on the rearview mirror, such as speed, RPM, temperature, voltage, etc. The HUD avoids the danger of drivers looking at the dashboard, ensuring driver safety by directly displaying data on the car's dashboard and helping drivers maintain the best condition on the road, keeping you in a safe driving mode. Plus, the design makes your eyes much more comfortable. Brightness Sensor: Automatically adjusts brightness. Interface: Preset customized interface at the beginning of the journey. Display Data: Speed, temperature, voltage, clock, RPM, RPM bar, KM/h and MPH. Switch freely... Multiple Alarms: Overspeed alarm, coolant alarm, voltage alarm, fatigue driving reminder, engine fault alarm, clear fault code... OBD2 working mode is not compatible with the following vehicles: 1. Almost 98% of cars before the year 2004 (2004 included) 2. Some old mixed electric and electric, motor car, Pick-up, SUV, ORV, Minibus... 3. Few special cars after 2008 may also not be compatible with OBD2 standard protocol... Color: as shown Material: Plastic