Feature: 1. Plug and Play: head up display can auto adapt to vehicle type which in line with OBD2 or EUOBD(On-Board Diagnostic System). 2. Comprehensive Display: Vehicle speed, engine speed, water temperature, fuel consumption, mileage, low fuel tips, engine failure. 3. Flexible Alarm Mode: head up display can offer single-stage and four-stage over-speed alarm modes to choose to make driving safer. 4. Engine Speed Alarm: It contributes to shift gear in time to save fuel also has significance to new driver. 5. Automatic Power ON/OFF: Starting and stopping with vehicle starting and stopping. Moreover, it is also designed with hand switch function. 6. Freely Switch: The car head up display supports Km and mile switched freely so as to meet the needs of inch auto meter. 7. Driving Information Display Mode: Driver can chose normal display mode, high speed display mode or automatic display mode. 8. ▶Eazy To Use: Plug and Play, Automatic adapt car models, and can apply for cars in line with OBD2 or EUOBD (On-Board Diagnostic System). 9. ▶Flexible Alarm Mode For Easy Driving: head up display can offer single-stage and four-stage over-speed alarm modes to choose to make driving safer. 10. ▶Clear And Rich Display Content: Vehicle speed, engine speed, water temperature, fuel consumption, mileage, low fuel tips, engine failure. Free switching between kilometer and mile. 11. ▶Protect Car Battery: Auto power on and off with vehicle started and shutdown, effective protection of the car battery, while retaining the manual switch mode, and more beneficial to control HUD. 12. ▶Satisfactory Service: If for any reason you are not satisfied, please feel free contact us, we\u0027ll get back to you soon. Specification: Overview: This product is for drivers' safety, at high speeds, especially in high-speed driving at night, in order to avoid the driver to look down their head to watch the instrument, and decrease car accident. head up display can project the important information displayed by the instrument (such as speed) onto the windshield, it can not only to help determine the speed of inexperienced novice to control their speed and avoid many of the speed limit road due to speeding violation. More importantly, it enables the driver instantly read the number in great vision and always make drivers eyes on the road in clear mind. Features: Plug and Play: head up display can auto adapt to vehicle type which in line with OBD2 or EUOBD(On-Board Diagnostic System). Comprehensive Display: Vehicle speed, engine speed, water temperature, fuel consumption, mileage, low fuel tips, engine failure. Flexible Alarm Mode: head up display can offer single-stage and four-stage over-speed alarm modes to choose to make driving safer. Engine Speed Alarm: It contributes to shift gear in time to save fuel also has significance to new driver. Automatic Power ON/OFF: Starting and stopping with vehicle starting and stopping. Moreover, it is also designed with hand switch function. Freely Switch: The car head up display supports Km and mile switched freely so as to meet the needs of inch auto meter. Driving Information Display Mode: Driver can chose normal display mode, high speed display mode or automatic display mode. Specifications: Environment Temperature: -40℃~+80℃ Barometric Press: 86~106 KPa Relative Humidity: 10%~95% Environment Voice: ≤60 dB(A) Alarm of Sound Level:≥30 dB(A) Work Voltage: 9V~16V DC (12V DC / 400mA) Item Size: 15*8.5*1.5cm / 5.9*3.34*0.59in Package Size: 16.5*13*4.5cm / 6.49*5.12*1.77in Package Weight: 280g / 9.87oz Package List: 1 * head up display Host 1 * OBD2 Interface 1 * Mat 1 * Reflective Film 1 * English User Manual Package List: 1 * head up display Host 1 * OBD2 Interface 1 * Mat 1 * Reflective Film 1 * English User Manual