Specifications:
1.Product name: Q7 Universal OBD2 Car HUD GPS Head Up Display Speed 2.Overspeed Warning 
3.Working voltage: DC 8-18V 
4.Working current 40mA 
5.Seeping current: 15mA 
6.Compass precision: ±1°
7.Speed range: 0- 400km/h 
8.Real time precision: satellite automic clock
9.Satellite positioning time: cold start: 30s; hot start: 1s 

Features:
1. Available for any car, easy to install, plug and play
2. Screen 3.5 inch HD display
3. Multi-color design makes the screen more abundant and easier to read
4. Nano-technology to eliminate double reflections,more clear.
5. Rich Contents: speed,compass, speed alarm,free switch between km and miles
6. 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.
7. 5 levels automatic and manual brightness adjustment mode,driving without glare.
8. Two display modes: HUD display and car built-in sreen display

Package include
1 X Display 
1 X OBD2 Interface 
1 X Anti-skid Mat 
1 X Reflective Film 
1 X English User Manual