New Auto OBD2 HUD Head Up Display Electronics Windshield Speed Projector Digital Car Speedometer Accessories Water Temp. VoltageProduct Review:It displays driving data on the front windshield such as speed, water temperature, voltage single mileage etc. Special feature is that it has phone number plate iteself, which can offer great convenience if there is any emergency. Product Function:OBD mode information display: vehicle speed,water temperature , voltage,Mileage...Alarm:Overspeed alarm, High water temperature alarm, Low voltage alarm, Free switching between kilometer and miles,KM/h &MPH Switchfreely,Product Highlights:1:Automatic adaptation models, in line with OBDII or EUOBD models Plug Ready to use (car auto diagnostic system); 2: 2.3"'" LScreen, Windshield Projector, Small but nice; 3: Speed Unit KM/H & MPH Switch freely; 4:Automatic brightness adjustment. automatic and manual brightness adjustment mode, not dazzling; 5: Model design: New tooling design with Sunshine Hood, and with Phone number plate; 6: 4 Differentkinds of different interface, you can choose any display interface you prefer;7: Besides the devicecan work wellonOBDII EUOBD standard cars, it can also supports some newhybrid &automatic start / stop cars; 8: Can Turn On/Off automatically as car starts or stops; 9:Accept customization with different MOW Limit: Add Start-up Screen with your logo; Customize Package; Add new functions and display interfaces... More Pictures:Package Included: 1 x Car HUD Head Up Display 1 x OBD Cable 1 x Reflective Film 1 x Anti-slip Mat 1 x User ManualOBD2workingmodearenotcompatiblewithfollowvehicles:1.Almost98% carsbeforetheyear2008 ( Especially for cars before 2005) 2. Some Old Oilandelectricitymixing,dieselpoweredcar,Pickup,SUV,ORV,MiniBus... 3. Few Special Carsifnotsure,pleasecontactusinadvance.