Feature 1Car head-up display shows driving speed in real time, with large LED font, clear and easy to view. 2Equipped with reflective film, it can project the data clearly on the windshield, so you can view it without looking down. 3Integrated shade design can block out excess light, making driving at night less dazzling and safer. Features: Car head-up display shows driving speed in real time, with large LED font, clear and easy to view. Equipped with reflective film, it can project the data clearly on the windshield, so you can view it without looking down. Integrated shade design can block out excess light, making driving at night less dazzling and safer. Built-in light-sensing system, the screen brightness will be adjusted according to the current environment, whether day or night are clear. Plug and plays, easy to use, can follow the car on and off, low power consumption, do not worry about battery power consumption. Compact size, will not block the line of sight, suitable for car, truck, SUV, RV, etc. Specifications: Light Color: Green/ White(optional) Material: ABS Input Voltage: USB 5V Unit: KM/H Item Size: 93 * 50 * 22mm/ 3.7 * 2.0 * 0.9in Item Weight: 33g/ 1.2oz Package Size: 155 * 100 * 55mm/ 6.1 * 3.9 * 2.2 Package Weight: 120g/ 4.2oz Packing List: 1 * Headup Display 1 * USB Cable 1 * Reflective Film Package List 1 * Headup Display 1 * USB Cable 1 * Reflective Film