Car Portable Speed Monitor

Keep an eye on your speed without looking down.Instantly see when you're driving too fast. Keep it safe. Avoid speed violations.FEATURES【Multifunctional】This GPS speedometer HUD not only shows the vehicle's driving speed, but also shows single ride, single-vehicle mileage, total driving mileage, altitude and local time. Keeps you informed of key information for your trip.  【Super Large Screen】Large screen size display makes reading easier and more comfortable. Big and green font, the green light will make the driver more comfortable and protect the driver's eyes, especially suitable for long-distance driving. 【Alarm Clock Function】With speeding alarm clock and fatigue driving alarm function. Make your driving safer. 【Applicable to All Vehicles】Collect speed from GPS satellites. It has nothing to do with the car engine, so it is compatible with all vehicles, including cars, trucks, pickups, off-road vehicles, motorcycles, bicycles, boats. 【Easy to Install and Use】Easy to Install - Plug