【Accurate Positioning】: GPS speedometer adopts Global Positioning System technology to measure the vehicle's position and speed through satellite signals, with high-precision positioning and speed measurement functions, and provide reliable speed data.
【Real-time speed】: GPS speedometer mph can display the vehicle's current speed in real-time without connecting to the vehicle's built-in speed sensor or on-board computer system. This makes it a vehicle-independent speed test tool for all types of cars, trucks, bicycles and scooters.
【Compact design】: HUD the machine is small in size, light in weight, displaying large numbers, easy to carry and install in the car, can be easily placed in any position in the car
【Attention】: This device is a GPS digital speedometer, which collects signals through satellite. Therefore, if you test at home, underground parking lots, tunnels, etc., the speed may not be displayed correctly, so please use it in outdoor places with good signals!