Car Head-up Display GPS Digital Speedometer with Overspeed Fatigue Alarm - mph Digital Speedometer Compass Altitude for Any Car <p>{Heads-up display}: The built-in GPS and BeiDou dual-mode chip give you quick access to your digital speedometer. Use it in line of sight so the device can read the satellite signal. When you first start it up, it will take a minute or two for the device to start measuring your speed, so don't panic. Easy to read. Small, lightweight, and can be mounted almost anywhere. Whether it's your old or new car, it offers great convenience and meets your expectations. A very cool device.</p> <p>{Multifunctional}: We use professional program design, a powerful processor chip, performance, and compatibility with high-performance dual-core memory and a dual-core processor to ensure smooth and fast operation. The use of core algorithms creates a smearing effect, making the display more coherent and smooth, including functions such as speed, date, timing, altitude, mileage, acceleration time, compass, and driving fatigue alarms.</p> <p>{Flexible Rotatable Suction Cup Mount}: This HUD GPS speedometer comes with a 360 degree flexible rotatable suction cup mount, multiple mounting options, high brightness, unobstructed view, giving you optimal visibility while driving.</p> <p>{Automatic Light Sensitivity}: With USB power supply, plug and play, no need to worry about running out of battery, high-definition screen, automatically adjust light sensitivity, automatically detect and adjust light sensitivity during the day and night, so you don't have to worry about the display of the screen, and to avoid eye fatigue, you can drive with peace of mind.</p> <p>{High Quality Guarantee}: It is suitable for all models, you can install it in fuel cars, new energy vehicles, hybrid cars, trucks