Updated Software , More Cars will be compatible Display Autonatively: Multi-function display, speed, three fuel consumption, vehicle speed, driving distance, water temperature, driving time, voltage, clock, etc. A variety of alarms allow you to prevent accidents in advance and make driving safer: clear the fault code, over-speed alarm, speed alarm, gear reminder, fatigue driving reminder, water temperature alarm, voltage alarm Multiple modes, free to switch, and various data to match freely, making driving more convenient Specification: Material: Plastic Size: 68x56x30mm/2.67x2.20x1.18inch Product name: C500 HUD multi-function head-up display Product color: Black Imaging screen: LED display Product features: safe and convenient Display mode: virtual image reflection type Standby current: = 30dB (A) Environmental noise: