Digital Universal GPS HUD Speedometer Display GPS Head Up Dispaly Speedometer Car Truck Odometer with Over Speed Warning/Car Clock / 5.4in Large Screen KingNeed C90Key Information Display Head up display the speed, Display MPH or KM h, Driving Time, Altitude, Distance Calculate and Display,( Car Clock) Automatically Identify Time Zone, Accurate GPS Local Time Display,let you know the real time key information for your trip; Safe Alarm Overspeed Alarm & Fatigue Driving Alarm to ensure your safe in long distance driving.(The details pls refer to below "Product Description Section") Green Light & 5. 4in Large