The LED light set places rapidly onto bicycle handlebars yet seat articles. Great for cycling at evening or in position where visibility and also security are a problem. Visible to motorists over 1500 feet away. The headlight has 5 LEDs that could illuminate roadways for over 40 feet and also showcases a toolless handlebar mount. Once positioned it has a quick-release air conditioner for eliminating the headlight from its place. Cut-away layout allows light through the sides for more visibility. The taillight is angle detachable and adjustable from its seat article install with a clip-on quick-release heating and cooling unit. Fits most handlebars as well as seat articles (rubber sizing shims included). Up to 80 hrs! (Batteries not included). Note: Front lights batteries, physical body yet cover need to be lined up appropriately in order to function. Align the power switch on the battery owner with the power button on the front lights body. Line up the arrowhead (on the clear plastic section of the cover) with the open/close marks on the physical body).