brand new and high quality Features: GPS HUD Speedometer (1) Head-up display driving speed by big size number (2) Total driving for time and distance calculate and display (3) Easy Setup-Plug & Play- Power through Vehicle Cigarette Outlet Jack, No profeional installation is required. (4) for All for Cars & Trucks. Use GPS Signal Guided Calculation, No wiring needed to the VSS (vehicle speed signal). (note: when using with the bicycle, pls use the usb cable connecting with a powerbank . ) (5) Display MPH or for KM/h - Simple Push Button Set up. (6) Auto Adjust Brightne thru Sensor for Day & night-time Driving. (7) Vehicle Driving Speed Display, Green Color Speed Display, easy on your eye. (8) Over Speed Warning Setting (9) Altitude display specification: Color:black, Green Screen Material:ABS Size: AS showns Quantity:1pc Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1*C80 HUD speedometer 1*usb cable 1*platstic holder 1*user manual 1*box(optional)