Car Digital GPS Head Up Display Gauges Overspeed Speedometer Warning Alarm HUD Product Features: Works For All Vehicles: Unlike other car head-up displays, this HUD is GPS+BeiDou dual-mode chip, so you don't need to worry about compatibility issues and latency problems. This HUD is compatible with all vehicles around the world, with fast speed refresh and no latency. HD Display: The small size of 2.4 inches avoids obstructing the driving sight, HUD is equipped with LED high-definition LCD screen for clearer information display, ultra-mini design and full of technology, bringing more fun and technology to your driving experience. Multiple Functions: Contains multiple functions: Speed ,Driven distance ,Driving direction ,Automatic light sensitivity ,mile and kilometer ,sound alarm Switch. Over-speed Alarm and fatigue driving alarm to ensure your safe trip. Default setting is 120KM/H or 120MPH. You can adjust it according to your needs. When the product detects speeding, it will beep to remind the driver. GPS Compass: Features GPS navigation direction compass that aids the driver by indicating directions. Equipped with photosensitive elements that can adjust its own brightness according to different light, it can be very clear in bright light, providing a safer day and night driving experience. Plug And Play: The Vehicle Smart HUD Display features a hassle free plug and play operation. Simply mount the unit near the dashboard. It is powered via the included cigarette lighter USB cable. Automatic synchronization of power on and off according to engine ignition. Product Specification: Material: ABS + PC Screen type: LED Screen size: 2.4 inches Universal: compatible with all cars, trucks, bikes, motorcycles Package Included:  1 x Head Up Display 1 x USB Charger Wire 1 x anti-slip pad 1 x English User Manual