Description:* Our HUD Head UP GPS Speedometer is specially designed for the driver, easy to use.Features: Plug and play HUD projects real and instance speeds via GPS satellites* The VSS (vehicle speed signal) wiring to all cars, trucks, bicycles and motorcycles is not compatible (for bicycles and motorcycles, you need to connect a power supply to power the HUD).Safety Alert-Speeding alert and fatigue driving alert to ensure your safe journey * The default setting is 120KM/H or 120MPH. Just press up"or down"to adjust. After the speeding alarm is activated, it will sound 3 times to warn the car driver. If overspeed warning is not needed, please adjust it to impossible speed/preset fatigue driving time, for example: 999MPH.White and red tones and a large digital display * Use the same technology as the flight dashboard. The white-red tone can make the driver more comfortable and protect the driver"'"s eyes, especially suitable for long-distance driving. During day and night driving, the sensor will automatically adjust the brightness.Feature: * Product Name: G100-HUD * HD without ghosting * Simple function * Stereo imaging * No film required * One piece molding/no light pollution * After a power outage, all driving data will be cleared, except for the single mileage.Package Included: * 1 x G100-HUD head-up display * 1 x USB cable * 1 x Anti-Slip mat * 1 x User manualNote:1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.