Auto， motorcycle wind light. There is no wire， and no need battery.Its one adornment when your car is still， and when your beloved vehicle speeding ，it will show you more gorgeous.Total Size (Approx):8 * 3 cm Weight:40gFeel free to order it， if your car or motorcycle has suitable place to paste it (the paste seat size is around 5.2 * 2.5 cm).There is no screw and easy to be pasted.Package Including: 1 x Wind Light