Nite Ize TwistLit LED Bicycle Light With Versatile Attachment, Bike Safety Light, 2 Pack, Red And White LEDs ATTACHES MOST ANYWHERE ON YOUR BIKE - This versatile bike light has a curved back and uses flexible rubber Gear Ties for attachment so it can be secured into place on handlebars, seat posts, or racks GLOWS + FLASHES FOR EXTRA VISIBILITY - Be seen and safe on all your rides with these lights that add visibility to your bike. Set them in continuous glow or high-visibility flash modes BUILT TO WITHSTAND THE ELEMENTS - These bicycle lights are weather-resistant and housed in a durable casing, so they can handle whatever Mother Nature dishes out on your ride NOT JUST FOR YOUR BIKE - Because of the versatile attachment method, the TwistLit can be used as a stroller light, scooter light, or even a quick-click light for that dark corner in your closet LONG LASTING REPLACEABLE BATTERIES INCLUDED - 2x CR2016 lithium batteries are included and will power your light for 20+ hours WORRY-FREE GUARANTEE - all Nite Ize products are backed by our Worry-Free Guarantee