Features： 1、Function: With hour and speed display, water temperature display, voltage display and wave wheel key short press to switch function. 2、Alarm Warning: Default 120℃ alarm and tired driving warning, when driving continuously for 4 hours will be alarmed, you can also set by yourrself. 3、Sensitive Design: Light sensitive components sense external light intensity and automatically adjust the HUD brightness to suit the environment. 4、Soft Light: The soft light display will protect the driver's eyes and make the driver feel more comfortable, especially in long distance driving. 5、Clear Vision: High definition projector is used to eliminate unnecessary reflections and make the display information clearer, making you can always be in the stable condition on the road. Specification： Item Type: HUD Speedometer Display Material: ABS and PC Package List： 1 x Display 1 x OBD Line  1 x Anti Slip Mat  1 x User Manual 1 x HD Projection Film