Bell Arella Bicycle Tail Light
Super Bright LED with brightness of 4 lumens.
Run time of 41 hours steady light to 115 hours on flash.
Silicone strap fits most seat posts.
Clip allows use on backpacks and other bags.
Steady and flash modes.
Clamp fits all seat posts-use clip to attach to bag or pack.
Easy to install with no tools needed.
Requires 2 x AAA batteries which are not included.