This beautiful chromed LED light can be used on any flat surface of any bike, trike or trailer. It measures 6 5/8 inches x 7/8 inch x 7/8 inch, has 14 super bright LEDs, is encased in chrome with a clear lens. It is available in both amber and red. They will give you that much needed visibility on the road or they will add to the already spectacular lighting on any show bike. This light can be used as a running or brake light. Easy to install and goes on with self-adhesive tape. Sold single. If you love lighting, you have got to have this one.