GPS Speedometer for Car with Heads Up Display, USB Plug & Play All Cars Digital MPH KMH, Universal HUD Compass Clock, Speed Limit Warning Device, 7-Color Display

【Precise GPS Speed Tracking for Any Vehicle】 This gps speedometer uses satellite signals to deliver accurate real-time speed readings in mph or km/h, independent of your vehicle's wiring. Unlike factory speedometers affected by tyre wear or size changes, this digital speedometer car mph provides consistent, reliable data for cars, trucks, motorcycles, and more. 【Heads-Up Display with 7 Colour Options】The large LED screen projects speed, compass direction, and clock onto your windshield for easy viewing while keeping your eyes on the road. The built-in electronic compass offers real-time directional guidance, ensuring you stay on track throughout your journey. Choose from seven font colours to match your preference or lighting conditions, ensuring clear visibility without distracting reflections or ghosting. 【Speed Limit Warning for Safer Driving】 Set a custom speed threshold and receive visual alerts when you exceed it. This speed limit warning device helps you stay aware of your driving speed, reducing the risk of unintentional violations and promoting safer habits on motorways and city roads alike. 【Universal Plug-and-Play Installation】 Simply connect the included USB cable to your vehicle's USB port or cigarette lighter adapter. No complex wiring, no dashboard modifications, and no professional tools required. This gps speedometer car works with all 12V vehicles—from saloons and SUVs to motorcycles and golf carts. 【Smart Auto Power Management】 Built-in motion sensor automatically turns the car speedometer on when the vehicle moves and powers it down after three minutes of inactivity. When parked, the device consumes zero power, protecting your car battery and eliminating the need for manual on/off operation.