Universal Car HUD Head up Display 3.6 inch GPS System 4K HD Transparent Display Board HUD Displays meter Alarm Km/h MPHFeature:【WORKS FOR ALL VEHICLES】– Unlike other Car HUDs, you do not need to worry about the compatibly, T900 could work for ALL vehicles, cause T900 is based on the GPS module inside.【Depth of Field Visual Effect】– T900 HUD uses semi-transparent and semi-reflection lens to make the information display stereoscopically in the air. Unlike the windshield project film, you can always see the clear and sharp image in the display board, never ghost/double image.【Auto Brightne r】– T900 HD LED Display adjust the appropriate brightne automatically according to the light. No ghost and double image, never need to apply a film on the windshield【SMART DESIGN】– With auto power on/off function, the HUD will start or turn off automatically with vehicle ignition, can effectively protect your vehicle's battery. Retaining the manual switch mode, easier to control HUD. Automatic and manual brightne adjustment mode, driving without glare.Technical Parameters:1.Envment temperature: - 40 0C- +80 0CBarometric pre: 86-106KPaRelative humidity:10%-95%Envment voice: