GPS Digital Speed Meter with MPH ，Car Head Up Display for All Cars, USB Cable Plug & Play

【Product Display】: This car head up display only displays one function - the car's driving speed. It does not require any projection film to be pasted on the car glass, you can install it anywhere you need. 【GPS Speedometer】Collects the speed data from GPS satellites, no relation with car engine, no destroy to car circuit board or OBD port, and can be widely used on SUV ATV Pick-up Truck Scooter Golf Cart Bus Boat Train Bike Motorcycle can work on all vehicles on the market. 【Easy installation】: the product is very easy to install, no buttons, no setup required. the USB cable is plug and play. If your car has a USB port, plug the USB cable into the USB port; if your car does not have a USB port, give it a car adapter. 【Large font display】：Built-in vibration sensor, when motion is detected in the car it will be switched on and the driving speed will be displayed in large font. 【Warranty】First time usage, it takes 10-30 seconds to get GPS signal, and it can't work indoor. If the HUD device is faulty, no need spend time to return it to , just contact with us to ship you a new HUD directly. You are welcome at anytime.