The NiteRider TL 6.0 Taillight features 5 LEDs with 4 settings: steady, flash, random, and scrolling. Built-in amber side lighting and 270 degree visibility helps you to be seen on the road. The light can be easily attached to your bike with the band-clamp seatpost mount or clipped onto clothing or backpacks with the pack-clip. Features: 270deg visibility Up to 60 hours of run time Powered by 2 x AAA batteries (included) Specifications: Brightness: 25 Lumens Battery Type: AAA Run Time: 60 Hours (Max) Beam Color: Red Color: Red Weight: 70g