Feature: 1.Simple and convenient to keep it with you, a good assistant for bicycle decoration. 2. Plug it in the hole on both ends of your bicycle handle bars. 3.Long lasting, and safety attached, it will give you extra safety while cycling at night. 4. Suitable for the tubes which diameter is between 16-23mm 5.Material: aluminum alloy CNC technology + self-expanding shrink elastic rubber + LED patch light Specifications: Installation location: standard bicycle handlebars at both ends, commonly known as blocking lights How to use: The hand-held lamp body is squeezed clockwise into the handlebar, and when it is taken out, it can be pulled out counterclockwise. Color: black, red, blue, white, gold