HUD is short for Head Up Display. It displays driving data on the front windshield such as speed, fuel consumption level, compass (directions) on the car's front windsheild. While driving the car you don't have to look down anymore to see the speedometer!  You can read the speed of the car or the fuel level instantly without looking down and risking your safety! M6 HUD devise also allows you to set the speed warning alarm for your added safety. The moment you cross a safe speed alarm goes on alerting you to check your speed!
 

HUD Main Functions & Features:

• Available for cars with OBD2 and EUOBD port (Car automatic diagnosis system) ,plug and play
• Screen 3 inch HD display
• Multi-color design makes the screen more abundant and easier to read
• Nano-technology to eliminate double reflections,more clear.
• Rich Contents: speed,rpm,water temperature,voltage,low voltage alarm,high water temperature alarm,over speed alarm, freely switch between kilometers&miles.
• Auto power on/off: HUD start and off with vehicle started and shutdown, effective protection of the car battery;retaining the manual switch mode,more easy to control HUD.
• Automatic and manual brightness adjustment mode, driving without glare.