Features: Hud with OBD system,display more richer contents and raise the alarm.A decalite&accurate HUD Head Up Display,without all of the unnecessary info that would create distractions. Display Information: Speed,engine speed,inlet pressure,water temperature,clock,voltage,ignition angle,Throttle position and fuel consumption. Display Alarm: Speed alarm,engine fault,fatigue alarm,low voltage alarm,high water temperature. TFT LCD Screen and Universal: Multi color smart digital device,the display interface can be switched to different information.Available for almost all car with an OBDII/EOBD interface. Easy to Use: Plug and Play,automatically power on/off,it start and off with vehicle started and shutdown,retaining the manual switch mode,more easy to control. Specifications: Color: Black Material: Plastic Display: 3.5 TFT color display Operating temperature:0-60℃(0-140℉) Storage Temperature: -20-70℃(-4-150℉) External Power: 8-18V Package Size: 14*9*6cm Package Weight: 270g Note: The car needs to meet the following conditions simultaneously: 1. Meets one of the five major protocols: ISO 9141, KWP2000, SAE J1850, CAN, J1850 VPW, J1850 PWM; 2. 12V car produced after 1996; Packing List: 1xHead Up Display 1xCable 1xUSB Cable 1xNon-slip Mat 1xScrews 1xUser Manual