Features: GPS Display: Speed, Altitude, Satellite clock, Single driving time, Single driving distance, Number of satellite. 2 Alarm Function: overspeed alarm, fatigue driving alert, improve driving safety. 6 Kinds Display Interface: Different interface can be free switched. The HUD avoids the danger of the driver looking down at the dashboard, which ensures the drivers safety and helps the driver stay in top condition. Light Sensor: HUD can automatically adjust the brightness according to the environment. Speed per hour can be switched to KM and Mph. Exquisite design: High-definition display, not affected by external light. Specifications: Item type: Car HUD Display Model: T900 Material: ABS+pc Product color: black Item size: 135*68*30mm Package weight: 330g Package size: 165*110*70mm Package list: 1 * Car HUD Display 1 * USB Cable 1 * Manual 1 * Non-slip mat