Safe AlarmOverspeed Alarm & Fatigue Driving Alarm to ensure your safe in long distance driving. (The details pls refer to below "Product Description Section") ^^ Key Information DisplayHead-up display the speed, MPH or KM/h, Driving Time and Distance Calculate and Display, (C60 with Windshield Project Display), ( C80 C90 with Altitude Display, Car Clcok), let you know the key information for your trip; ^^ Green Light DisplayAuto adjust brightness through sensor for Day & Night driving. Green light display can protect the driver's eyes, let driver feel more comfortable.
^^ Plug & PlayThis HUD caculate & display the real-time speed via GPS. No Need professional installation, No wiring needed to the VSS (vehicle speed signal), Compatible with all cars & trucks, (C80 also Compatibale with motocycle & bicycle); ^^ Non-skidingC60 with Non-slip mat, C60S & C80 & C90 with a rotatable holder & strong sticker stand, can fix HUD to your car console or windshield, prevent the HUD from skiding.