BY-J G4 GPS Speedometer for Car, HUD Heads Up Display Digital Speedometer with Speed MPH, Driving Distance, Sound Alarm Switch, Speed Alarm and Other Functions, Applicable to All Models - G4-Green

• Multifunction Speedometer - With GPS speed, time, driving direction, automatic sensitivity, over-speed alarm, km/h, speed/time automatic switch, sound alarm, fatigue driving and other display functions. With Compass - Features a GPS navigation direction compass to help drivers by indicating directions. Equipped with a light sensor that adjusts its brightness according to different light, it is very clear in bright light, providing a safer day and night driving experience. Automatic Light-sensitive adjustment - The G4 head-up display has a built-in light-sensing system that automatically adjusts the screen brightness according to the light of the current environment, bringing a comfortable visual experience. Driving Safety - Small size and mounting on the dashboard does not block your view, you can easily see the traffic on the road as well as the speed and time displayed on the head-up display. Using this head-up display allows you to see the speed as well as the direction of driving without having to look down while driving. Suitable for All Vehicles - G4 head-up display is composed of GPS and BeiDou dual-mode chips, which has the advantage of fast refresh speed and no delay. Two Installation Methods - can be installed directly near the dashboard, or you can use the 360 degree rotating suction cup to install the device on the windshield, connect the USB connection cable to the USB port or cigarette lighter car charger port, non-destructive installation, plug and play.