Feature: 1. Multi Functional: This GPS Speedometer HUD can not only display the speed of the vehicle in time, but also display the driving direction, single driving time, single driving mileage through the compass, so that you can know the key information of the trip. 2. Timely and Accurate Data: Speed and compass data come from satellites and are timely and accurate. Especially the direction of the compass is not affected by the magnetic field. 3. More Safety: The shell is made of high temperature resistant ABS materials, it will not deform at 80℃ for 3 hours, and there is no built in battery, high temperature does not explode, and it is safer to use. 4. Green Font: Large screen size display, easier and more comfortable to read. Large and green font, the green light will make the driver more comfortable and protect the driver's eyes, especially suitable for long distance driving. 5. Alarm Function: Speeding alarm and fatigue driving alarm to ensure your safe travel. The default setting is 120KM/H or 120MPH. You can adjust it according to your needs. When the HUD detects overspeed, it will beep to alert the driver. 6. High Compatibility: Collects speed from GPS satellites. It has nothing to do with the car engine, so it is compatible with all vehicles including cars, trucks, pickups, suvs, scooters, trains, motorcycles, bicycles, boats, etc. Specification: Item Type: GPS HUD Material: ABS+PC Model: C3010 Colour: Black Function Display: Vehicle speed, GPS compass, single driving mileage, single driving time 2 Major Alarms: Speeding alarm, fatigue driving alarm Other Functions: Mile Kilometer switching, automatic photosensitive Power Supply Mode: USB power supply Satellite Positioning Speed: About 1 to 3 minutes in an open place outdoors, no satellite signal indoors (cloudy and rainy days affect the satellite positioning speed) Compass Direction: The compass direction is the driving direction of the vehicle and is not affected by geomagnetism Scope of Application: Suitable for all models. Package List: 1 x Car HUD1 x Bracket1 x Data Line2 x Sticker1 x Manual