Car Digital GPS Speedometer HUD Over Speed MPH/KM Fatigue Warning Alert Car GPS Speedometer HUD Features: - SIMPLE & SAFE: Focus on the most important data: speed, speeding alert, driving directions so you can always keep your eyes on The road, undisturbed by other gauge factors. - GREAT PERFORMANCE: Car GPS Speedometer HUD provides digital speed at a very reasonable price, just as you would expect from a digital speedometer. Car GPS Speedometer HUD is good, with both analog and digital functions, no need to buy a vehicle based on the type of speedometer. - Simple and convenient operation: This car GPS speedometer head-up display is powered by car charger (supplied), plug and play, car GPS speedometer head-up display does not require professional installation. -Auto Power On/Off: The car GPS speedometer HUD turns on and off as the vehicle starts and shuts down, the car GPS speedometer HUD effectively protects the car battery; keep the manual switch mode, it is easier to control the HUD. - Car GPS Speedometer HUD Automatic and Manual Brightness Adjustment Modes, Driving Without Glare. - Car GPS Speedometer HUD is fully compatible with all cars, vehicles and trucks. Car GPS Speedometer HUD Specifications: Type: Car GPS Speedometer HUD Car GPS Speedometer HUD Screen Size: 3.5 Inches Car GPS Speedometer HUD Speed Range: 0-400KM Car GPS Speedometer HUD Operating Voltage: DC8- 24V Car GPS Speedometer HUD Operating Current: 40mA Car GPS Speedometer HUD Compass Accuracy: 1 Car GPS Speedometer HUD 12V Car Charger: 1000mA Car GPS Speedometer HUD Sleep Current: 15mA Car GPS Speedometer HUD Size : 90x54x12 mm Package List: 1 x Car GPS Speedometer HUD Display 1 x Car Charging Cable 1 x Reflective Sticker 1 x Anti-slip Mat 1 x User Manual