Description: 【Modern Design】: Glass bottle shape design, fashionable and modern, the cycle light is suitable for most bikes 【High Visibility and Safety】: Equipped with high brightness light beads, this bicycle tail light ensures maximum visibility and safety during night rides. The bright floodlight warning feature makes it an essential accessory for cyclists 【Versatile Lighting Modes】: Feature 3 lighting modes: steady, quick flash, and slow flash, to suit different riding conditions and enhance your cycling experience 【Material Composition】: Constructed from a combination of ABS, glass, and silicone materials, this bike tail light is designed to withstand various weather conditions while maintaining its performance and durability 【Easy Installation】: The simple installation process ensures that the cycling taillight can be securely attached without causing any damage to your bike frame. The package includes 1 bike tail light and 1 fixing strap for convenient setup Specification: Material: Glass, ABS, Silicone 10.35cmx6.9cm/4.07inchx2.72inch   Size Chart: Battery Capacity 180mAh V: 5V Package Includes: 1 Bike Tail Light 1 Fixing Strap Note: Please allow slightly difference due to manua l measurement. Color may be slightly different since different monitor. Thanks!