The Topeak Tail Lux helmet light is an ultra-compact, ultra-bright means to provide rear visibility while riding at night. Just 14 grams and durably made, the Tail Lux provides either a constant or blinking light option and will run for up to 100 hours. Features: 0.5W ultra-bright red LED Two modes: constant or blinking Up to 100 hour run time Mounts to any bike helmet or Topeak saddle bag Uses one CR2032 battery (included) Injection molded plastic construction is lightweight and durable Water resistant Specifications: Brightness: - Battery Type: CR2032 Run Time: 50 - 100 Hours Beam Color: Red Color: Black Weight: 14g
