Head Up Display, ACECAR Car Universal GPS HUD, Speedometer USB Interface, Speed, Driving Direction, Overspeed, Clear Fault Code, for All VehiclesFeatures:Product Name: head-up displayWeight: 0.29LBColor: BlackProduct Size: 3.39*1.46*0.63INPacking Size: 4.92*3.35*1.73INFunction: vehicle speed/water temperature/voltage/single driving mileageAlarm: overspeed alarm/water temperature alarm/voltage alarm/fatigue driving reminder/fault alarmThe product WORKS FOR ALL VEHICLES Unlike other car head-up displays, this HUD is GPS+BeiDou dual-mode chip, so you don't have to worry about COMPATIBILITY issues and latency issues. This HUD is compatible with all vehicles around the world, with fast speed update and no latency. Simple DISPLAY Vehicle speed + driving direction, HD display, practical function, let you drive more comfortably for a long time. Nanotechnology, high-definition projector, eliminates unwanted reflections and makes the displayed information clearer. It comes with a hood, covers the lights on the display panel, no glare when driving at night. DRIVING DIRECTION - Has GPS navigation direction compass that helps the driver by indicating directions. Equipped with light-sensitive elements that can adjust their own brightness according to different light, it can be very clear in strong light, providing a safer day and NIGHT DRIVING experience. PLUG & PLAY Plug and play, you only need to connect the HUD to the car with the equipped USB cable, no professional installation required. It automatically synchronizes power on and off based on engine ignition. QUALITY TIPS - The operating voltage of this speedometer is 5V, it is forbidden to use a voltage higher than 5V to supply power. FCC RoHS certification, superior quality. Product includes:1X Head Up Display1XOBD line1X Reflective film1X Double-sided tape1X Instructions