Feature: 1. GPS HUD: Real time acquisition GPS satellite speed measurement, high accuracy, GPS HUD has the same operating logic as speed radar. 2. Universal Fitment: HUD gauge compatible with all vehicles, cars, motorcycles, ships, trains, etc. Universal fit for all vehicle models. 3. High Quality Screen: Vertical display, projected car speed on the windshield, independent display as a video display, green light display, 4.5in screen. 4. Speed Alarm: Default setting is 120KM/H or 120MPH. Just press "up" or "down" to adjust. When the speed alarm is active, beeps three times to alert the driver. 5. Easy Installation: No professional installation and no wiring, easy to install and convenient for using, save your time and energy. Specification: Item Type: Car HUD Material: PC+ABSColor: BlackFunction Display: GPS satellite speed measurement/altitude display/total driving distance/single driving distance/single driving time 2 Alarm: Speed alarm, fatigue driving alarm Other Function: Mile kilometre switch Power Supply: USB power supply Application Range: Suitable for all car models. Package List: 1 x Car HUD1 x Stand1 x USB Cable2 x Sticker1 x User Manual