Car Digital GPS Speedometer HUD Over Speed MPH/KM Fatigue Warning Alert Car GPS Speedometer HUD Features: SIMPLE AND SAFE: Focus on the data that matters most: speed, speeding alerts, driving directions, allowing you to keep your eyes on the road at all times, undisturbed by other instrumentation factors. - Good performance: The car GPS speedometer head-up display offers digital speed, just like you'd expect from a digital speedometer, at a very reasonable price. Car GPS Speedometer HUD has both analog and digital functions, no need to buy a vehicle based on the type of speedometer. SIMPLE AND EASY TO OPERATE: This Car GPS Speedometer HUD is powered by a car charger (supplied), plug and play, no professional installation is required for the Car GPS Speedometer HUD Auto Power On/Off: Car GPS Speedometer HUD on and off as the vehicle starts and shuts down, Car GPS Speedometer HUD effectively protects the car battery; retains the manual switch mode for easier control of the HUD. Car GPS Speedometer Head Up Display Auto and Manual Brightness Adjustment Modes for Glare-Free Driving. - 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 inch Car GPS Speedometer HUD Speed Range: 0-400 km Car GPS Speedometer HUD Operating Voltage: DC8 -24V Car GPS Speedometer HUD Working Current: 40mACar GPS Speedometer HUD Compass Accuracy: 1Car GPS Speedometer HUD 12V Car Charger: 1000mACar GPS Speedometer HUD Sleep Current: 15mACar GPS Speedometer HUD Dimensions: 90x54x12mm Package includes: 1 x Car GPS Speedometer HUD Display 1 x Car Charger Cable 1 x Reflective Sticker 1 x Anti-Slip Pad 1 x User Manual