Feature: Specification: HUD can display driving datas on the front windshield such as speed, RPM, water temperature, voltage, etc. on the car front window . The driving information can be read instantly by the driver, and keep a perfect state on the way with HUD. Features: Light sensor: HUD can automatically adjust the brightness according to the environment. Multifunctions: speed, RPM, water temperature, voltage, fuel consumption，engine speed, driven distance display. Alarm: High water temperature / Low voltage alarm / shift reminder / over speed alarm / Fatigue driving / Engine Error. The HUD avoids the danger of the driver looking down at the dashboard, which ensures the driver's safety and helps the driver stay in top condition. Built-in hood for clearer display, clearly reflection on the windshield,it is pretty clear in the sunny day,rainy day. PC material, high and low temperature resistance. Specifications: Item type: Car HUD Display Model: C500 Screen size: 5inch Material: ABS+pc Product color: black Backlight color: blue&white&red, green&white&red(optional) Environment temperature: -40℃~+80℃ Environment voice: <=60dB Work voltage:9V~16Vdc(12Vdc/400mA) Reflector transmittance: 96% Item size: fold: 135*68*56MM Package weight: 270g Package size: 17*13*4.5cm Package list: 1 * Car HUD Display 1 * OBD Cable 1 * Manual 1 * Non-slip mat Package List: 1 * Car HUD Display 1 * OBD Cable 1 * Manual 1 * Non-slip mat