Helios K 1.1 RS Battery Taillight

M-Wave continues to innovate with their Helios 1.1 taillight.  This light's housing means you can be seen from all directions.  It features a universal rubber bracket for easy installation and removal.
Offers 360 degree visibility due to transparent housing
Two functions (steady and flashing)
Weighs only 30 grams
Batteries (2 CR2032) are included
Easy to install without tools on seatpost, seat tube, or chain stay