Head Up дисплей цифровой HUD Универсальный Overspeed Предупреждение Спидометр автомобильные принадлежности MPH/KM удобный

Features:
Collecting speedometer from GPS satellites in real time, satellites lock in quickly
Much more accurate than the OBD hud especially when the car tire is replaced, then engine speed is not accurate at all
Compatible with all vehicles, car, motorcycle, boat, train and other assets
Two display modes: normal stand-up display, or projector display. Shows speedometer on the windshield glass
Easy to use, and good English instructions, get it to use within 5 minutes, start safety driving from now on
Specification:
Item: Digital Car GPS Speedometer
Power supply: 5V
Material: ABS+PC
Size: 59*105*16.5mm
Display: MPH or KM/H
Package Included:
1*Digital Car GPS Speedometer
Note:
If no USB port on the old car, then buy a car adaptor for it, or plug it to a power bank