Fangrui Product Details Comprehensive Vehicle Monitoring: Enhanced With Alarms For Overspeed, Water Temperature, And Voltage, This Cutting-edge Car Hud Features A Fatigue Driving Reminder. Ideal For Ensuring Safety And Maintaining Vehicle Health During Extended Travels. Universal Vehicle Compatibility: Whether You Drive A Car, Truck, Motorcycle, Bicycle, Or Boat, Our Hud Is Designed To Work Seamlessly. It Connects Via Either Obd For Real-time Data Or Usb Powered By Gps, Ensuring Broad Application Across Different Vehicle Types. Optimal Visibility Under Any Conditions: Equipped With A Digital Holographic Display, This Windshield Speedometer Projector Offers Clear, Crisp Data Visibility In Both Bright Sunlight And At Night. Keep Crucial Driving Data Within Your Line Of Sight Without Distraction. Advanced Driver Safety Features: Beyond Speed Display, This Projector Includes Critical Alerts Like Speeding And Fatigue Warnings. It Acts As A Vigilant Safety Supervisor, Enhancing Your Driving Security By Alerting You To Potential Dangers And Ensuring Compliance With Road Rules. Plug-and-play Installation: This Holographic Speedometer Is Powered Through A Secure Obd Cable Or A Universal Usb Connection. Simple To Set Up, It Starts Working As Soon As It's Plugged In And Uses Gps To Accurately Measure Speed, Which Makes It Versatile For Use In Any Vehicle. Colour:black Material:plastic Package Contents: 1x Hud -up Display 1x Power Cord Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.