MSW Octodon Rear Taillight with Multiple Lighting Modes: Black 

The Octodon gives a wide angle of solid or flashing light for both day and night riding. Replaceable batteries for long run times and multiple mounting options.

• Runtimes: Flashing-36hrs, Constant-18hrs
• Flash and Constant Mode
• Tool-free Mounting Bracket
• 1 AAA Carbon Zinc (8.6g) Battery included