A1 2.0 inch Car GPS HUD Head Up Display Vehicle-mounted Security System, Support Speed & Real Time & Altitude & Over Speed Alarm & Compass & MPH & Auto Sleeping & KM & Satellite Signal POLMXS green and blue lights on

green and blue lights on the device will flash at the same time

Weight: 90 grams

the density value is intuitive and checkable

wear-resistant and dirt-resistant

four motors

A1 2.0 inch Car GPS HUD Head Up Display Vehicle-mounted Security System, Support Speed & Real Time & Altitude & Over Speed Alarm & Compass & MPH & Auto Sleeping & KM & Satellite Signal POLMXS green and blue lights onAbout the product This product is for drivers' safety, at high speeds, especially in high speed driving at night, in order to avoid the driver to look down their head to watch the instrument, and decrease car accident. HUD is in extremely critical moment reflects its delicate care. HUD can project the important information displayed by the instrument (such as speed) onto the windshield, it can not only to help determine the speed of inexperienced