Features: brand new and high quality1.Plug and for Play connectivity with any OBDII or EUOBD capable vehicle;2. Screen 3.5 inch display3.Multi-color design makes the screen more abundant and easier to read4. Nano-technology to eliminate double reflections,more clear.5.Rich Contents: speed,RPM,water temperature,voltage,low voltage alarm,high water temperature alarm,over speed alarm, fatigue driving alarm,freely switch between kilometers&miles.6. Auto power on/off: HUD start and off with vehicle started and shutdown, effective for protection of the car battery;retaining the manual switch mode,more easy to control HUD.7. 5-level brightness adjustment,automatic and manual brightness adjustment mode8.Automatic and manual adjustment for high water temperature alarm9.Automatic and manual adjustment for low voltage alarm10.Automatic and manual adjustment for fatigue driving alarm specification: Color:BALCKMaterial:ABSScreen size:3.5InchProduct size: 90x54x12mmPacking box size: 14.3x9x5.1cmPackage weight: 180gQuantity:1set Note:Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 * HUD Main Unit1 * OBD2 Cable1 * Non-slip Mat1 * Reflective film1 * User Manual