Smart digital speedometer (GPS) for cars, and its most prominent specifications • Global GPS system: Accurately measures speed via satellite (works on any car). • Built-in compass: Displays the four directions (N, E, W, S). • Measurement units: Supports kilometers (KM/H) and miles (MPH). • Alert system (!): Warns when exceeding the set speed or fatigue during driving. • Clear display: Large, easy-to-read numbers day and night. • Easy installation: Works directly via USB port