The ACECAR Up Display is a car universal GPS HUD with a speedometer USB interface. It wks f all vehicles around the wld, eliminating compatibility issues latency problems. With its GPSandBeiDou dual-mode chip, it provides fast speed no latency. The HUD features a simple display of vehicle speed driving direction, with a high definition project that eliminates unwanted reflections provides clear infmation. The display panel comes with a hood to cover the lights, ensuring no dazzling when driving at night. One of the key features of this HUD is the driving direction function, which includes a GPS navigation direction compass that aids the driver in indicating directions. The HUD is equipped with photosensitive elements that adjust its brightness accding to different lighting conditions, ensuring clear visibility during both day night driving. It provides a safer driving experience. The ACECAR Up Display is easy to use with its plug play feature. Simply connect the HUD to the car using the provided USB cable, no professional installation is required. It automatically synchronizes power on off based on engine ignition. The operating voltage of the speedometer is 5V, it is recommended to use a voltage higher than 5V to supply power. The HUD is FCC RoHS certified, ensuring superi quality. The product includes 1 Up Display, 1 OBD line, 1 reflective film, 1 double-sided tape, 1 set of instructions. Key Features: GPSandBeiDou dual-mode chip f fast speed no latency Simple display of vehicle speed driving direction GPS navigation direction compass f indicating directions Adjustable brightness f clear visibility during day night driving Plug play feature f easy installation Operating voltage of 5V FCC RoHS certified f superi quality Includes Up Display, OBD line, reflective film, double-sided tape, instructions