Features: Stay informed and focused on the road with the obd2 hud car head up display. Easily monitor your vehicle's speed, water temperature, and more, projected onto your windshield for a safe driving experience. Experience clear visibility with the digital speedometer and windshield speed projector. Display important car information like speed, clock, and oil consumption accurately, keeping you updated on your car's data. Designed for all drivers, this hud is suitable for anyone who wants to easily track their car's information. Improve safety and driving skills by keeping your eyes on the road while staying informed about vital details. Whether in the city or on the highway, this hud is perfect for any driving situation. Stay focused in congested areas or accurately monitor speed and navigation during long trips. Take control of your driving experience with customizable settings. Adjust display content, brightness, and projection position to suit your preferences and needs, making it an excellent choice for car enthusiasts and frequent travelers. Specifications: Material:ABS+PC Size:Approx.125x75x15mm/4.92x2.95x0.59inch Working voltage: 9V-16V Standby current: < ＜3ma Atmospheric pressure: 86-106kpa Ambients temperature: -40℃~+80℃ Environmental noise: 60dB Screen size: 5.5 inches Color:Black Package Includes: 1 Set HUD Head Up Display note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.