Car HUD head-up display M3 car with OBD HD speed portable projection display Product name: Head-up display Material: ABS+PC Applicable models: Universal Screen type: LED backlight Screen size: 86*37mm Product weight: 33g Package size: 14.4*8.7*5cm Package weight: 153g Specifications: [Simplicity first, value experience] mini, large word, high definition, can display more than 200 speed Multi-functional switchingspeed, water temperature, voltage, single mileage can be switched at will Five alarm functionsspeeding alarm, voltage alarm, water temperature alarm, fatigue driving, fault alarm Large font, high-definition experienceThe front of the metal nanotechnology to eliminate excess reflection, so that the screen display more clearly [comes with a shade] integrated shade design more thoughtful design, cover the display light, night driving without blinding Brightness upgradeDuring the day driving against the sun can also be clearly displayed, with the car start and shutdown, automatic power on and off, HUD can automatically adjust the brightness, brightness with the environment natural change Package Included: 1*Head-up display 1*Reflective film 1*OBD cable 1*anti-slip sticker