Luckam USB Digital Speedometer

Universal Fitment:Solid mini-sized and high-precision design for universal fitment in all vehicles without OBD or connection issues.Works well in sedans, SUVs, off-road vehicles, and more.Built-in dual +Beidou module to avoid draining the vehicle battery system.Rich Display Contents:Clear green LCD display with speed reading in MPH or KMH, time, and compass.Light sensor system for automatic brightness adjustment.Overspeed alarm (default value 120