Features: 1. Solid, durable, extend b 2. Multi fixation 3. 4 Kinds of switch:full light, flash, slow flash, off,according to your actual needs can switch quickly 4. Water resistant shower proof design - is not afraid of rain flooding 5. Install or remove without any tools you can get 3 seconds 6. One-Touch switch design, easy operation 7. All the sustainable use of light 35 hours 8. Scintillation sustainable use of 160 hours 9. Using two CR2032 button batteries Specifications: 1. Materials: Flexible waterproof silicone 2. Light Color: Red 3. Silicone Color:Black 4.Weight:21g Package Included: 1 x Waterproof Double Red LED Light with Black Silicone for Bicycle