Down Low Glow Lighting Kit - Single Tube - Envy(green) *Offer's Safety with attitude - this is one bike safety product you'll love to use *Comes with one shatterproof thermoplastic tube so you can ride on or off road. *Offers enhanced side visibility to prevent car/bicycle nighttime collisions *1 year warranty on manufactureer's defects and a 6 month warranty on the performance of the battery *Installs easily in minutes with no tools needed.