Lumin Tekco Bike Light Set with CREE XML-T6 10W Bead Front Light, Back Light Included, 1,000 lumen Super Bright Waterproof LED Headlight and Taillight, Quick-Release SAFETY NUMBER ONE,This reliable bicycle lighting kit makes you easy to be seen by driversDon't risk danger by riding in the darkdrivers can not notice youyour riding with the flashlight on can easily grab drivers attentions,even in the daylight MULTIPLE APPLICATIONS:you can also take the flashlight off to use as a usual lighting FOCAL LENGTH ADJUSTABLE:not only modes for you to adjust, and also the focal length,so that you can find yourself the most comfortable lighting intensity for eyes HIGH QUALITY:the flashlight body is made of no-rust and no-corrosion materialand the working life is up to 50000 hours NO-HASSLE REPLACEMENT:we are so confident that you will love our best seller light set,if you have any reason that you do not like,you are free for a no hassle replacement