Pinnaco Heads-Up Display Digital Speedometer for Car GPS Speedometer with Overspeed Alarm

Save energy: Turn off automatically when the car shuts down, turn on automatically when the car start.. Professional program design: high-performance processing chip, super performance and compatibility, dual-running memory and dual-core processor to ensure smooth running at high speed. the brightness makes it clearly visible in strong light. Automatic brightness adjustment: Automatic brightness adjustment / manual adjustment, automatically adjusts the display according to the intensity of the outside world. The refresh rate is 10 HZ/second, the speed refreshes fast and there is no delay. GPS+Beidou dual-mode chip: Adopt 10 Hz high refresh rate GPS and Beidou dual-mode chip. Rich display information: Displays speed, direction of travel, single travel time, single distance time