DescriptionHot!!Car HUD Head Up Display A100s OBD2 II EUOBD Overspeed Warning System Projector Windshield Auto Electronic Voltage Alarm
A100S HUD Feature:1. Light sensor for brightness automatic adjusting. 2. Main 4 function can be display: Speed Water temperature Battery voltate Milage 3. Main 6 options to alert: Over speed: 120KM/H High temperature: >120 degree Low battery voltage: <11V Rest Alarm: driving time> 4 hours High RPM Alarm: low speed with high RPM Beep Alarm 4. HUD (Head-Up Display) projects driving data without requiring drivers to look away from their usual viewpoint.5. HUD automatically adjusts its brightness level, so its projections are clearly visible in direct sunligh