1、Essential Driving Data - Displays speed, driving distance, engine speed, water tank temperature, instantaneous voltage and oil consumption. 2、No need to take your eyes off the road, all vital information projected in the windshield in-front of you. 3、Easily switch between Km/h MPH speed unit, very convenient to use. 4、Overspeed alarm, water temperature alarm, voltage alarm, giving you the ultimate display without compromising your safety. 5、Digital Display - 4 inch digital LED display, clear readout & visibility during daytime or nighttime driving. Features: Essential Driving Data - Displays speed, driving distance, engine speed, water tank temperature, instantaneous voltage and oil consumption. No need to take your eyes off the road, all vital information projected in the windshield in-front of you. Detect and eliminate fault codes function, fatigue driving reminder and shift reminder. Overspeed alarm, water temperature alarm, voltage alarm, giving you the ultimate display without compromising your safety. Easily switch between Km/h MPH speed unit, very convenient to use. Digital Display - 4 inch digital LED display, clear readout & visibility during daytime or nighttime driving. Specification: Condition: 100% Brand New Material: ABS Color: Black Screen Size: 4 inch Product Size: 115 * 66 * 12mm/4.5 * 2.6 * 0.5in Package Weight: Approx. 249g/8.8oz Package List: 1 * Host 1 * User Manual 1 * Reflection Film 1 * Non-Slip Grip Mat 1 * OBD Cable