Installation: <br />No need to change lines・ can be mounted directly on the steel wire of the wheel・ a wheel could be installed with several pieces・ a combination of multi-color has a cooler effect.<br /><br />Introduction:<br />- Material: silicone<br />- One-touch swich design・ easy to operate<br />- Mode: full light・ fast flash・ flash 3 modes for choose via switch<br />- Capable for: bicycle・ motorbike・ folding car and so on.<br />- Color: Red・ Blue・ Green・ Multi-colorful (4 colors as pic) <br />- Powered by: 1pcs CR 2032 or 2pcs CR<br />- Capacity 8000mAh<br />