C60s1.Standalone,2.With plastic bracelet,3.Small screen,4.One time driving time and distance calculate and displayProduct high lights:1)Keep your eyes on the road:At 65 mph, looking down for one second to check the speedometer means driving blind for 95 feet. Many accidents start during the time a driver glances down and fails to see sudden traffic changes ahead. Drive safely by never looking down to check speed.2) Know your true speedVJOY HUD uses GPS to determine thetrue speedof the vehicle. There are several reasons why there may be a difference between the speed displayed on the car's speedometer and the HUD. These include: Calibration set by vehicle manufacturers to read high to ensure their speedometers never indicate a lower speed than the actual speed of the vehicle. Speedometer inaccuracy due to aftermarket modifications such as different tire and wheel sizes or different differential gearing.Product display Main Feature:1.Head-up display2.One time driving time and distance calculate and display3.Easy Setup-Plug & Play- Power through Vehicle Cigarette Outlet Jack, No profeional installation is required.4.Compatible with All Cars & Trucks. Use GPS Signal Guided Calculation, No wiring needed to the VSS (vehicle speed signal).5.Display MPH or 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 -- Alarm Mute Function.Over-speed warning: a 3 seconds alarm beep and keep flash display will keep warning driver.9)Car adaptor cable:180cm-input voltage: DC5V-12V-Adapter voltage in: DC12-24V-Current draw: 450mA-Speed Ranges: 0-158MPH / 0-255Km/hr Factory Show:VJOYCar factory has around 200 workers, very good quality control; all products have CE certification, make your orders pa through the custom without any troubles. If you need the detailed CE certification or reports,please contact with us directly. If you are not satisfied when receive the order, or need any aistance when usage, please don't hesitate to contact with us.If you are satisfied with our products and service, please kindly leave us 5 stars feedback.