Usage Tips:Head Up Display, ACECAR Car Universal GPS HUD, Speedometer USB Interface, Speed, Driving Direction, OverSpeed, Clear Fault Code, for All VehicleFeatures:Product name: head-up displayWeight: 0.29LBColour: BlackProduct size: 3.39*1.46*0.63INPacking size: 4.92*3.35*1.73INFunction: vehicle speed/water temperature/voltage/single mileageAlarm: overspeed alarm/water temperature alarm/voltage alarm/fatigue driving reminder/fault alarmProduct WORKS FOR ALL VEHICLES Unlike other car head-up displays, this HUD is GPS+BeiDou dual-mode chip, so you don't need to worry about COMPA-TIBILITY issues and latency problems. This HUD is compatible with all vehicles around the world, with fast speed refresh and no latency. Sim-ple DISPLAY Vehicle Speed + driving direction, HD Display, practical function, let you drive more comfortable for a long time. Nano technology , high definition projector, eliminates unwanted reflections and makes the displayed information clearer. It comes with hood, cover the lights of the display panel, no dazzling when driving at night. DRIVING DIRECTION - Features GPS navigation direction compass that aids the driver by indicating directions. Equipped with photosensitive elements that can adjust its own brightness according to different light, it can be very clear in bright light, providing a safer day and NIGHT-DRIVING experience. PLUG & PLAY Plug and play, you just need to connect the HUD to the car with the equipped USB cable, no profes-sional installation is 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"