about this project Super Value 2 Tail Lights- Do you want to buy more practical tail lights at a lower price? Eye-catching technology during the day? USB rechargeable? Have 4 lighting settings? Wide angle beam? 240-degree field of view? IPX4 waterproof and dustproof? This is it! You can get 2 of these! Super Bright, 4 Modes- What's the most important thing about cycling? Your safety will come first. This bike LED tail light with Daytime Noticeable technology, 240 degree wide angle design provides more visibility than any other light on the market, the tail light allows you to see both at night and during the day. 4 modes for any situation: Steady, Cycling Flash, Super Flash, Meteor Flash. USB Rechargeable- This tail light is powered by a rechargeable lithium battery, which is very convenient and ecological. No need to buy extra batteries. It charges from any USB device in 2 hours, saving you 50 on batteries, and keeps it lit for 5 - 12 hours. (depending on light mode) FIT FOR ALL BIKES- The bike tail light comes with a bracket. So it won't fall off the rubber band like the taillights are fixed with rubber. It attaches to virtually any bike frame, fork, seatpost, handlebar or helmet and easily removes in seconds without tools. It can also be attached to your belt, running gear, reflective vest, backpack, dog collar, harness or anywhere on your clothing. What You Get- 2* Bike Rear Lights, 2* USB Charging Cable.