Value-for-money 2 pcs taillights- Do you want to buy a more practical taillight at a lower price? With Daytime Noticeable Technology? USB rechargeable? With 4 lighted settings? A wide angle beam? 240 degree visibility? IPX4 waterproof and dust-proof? This is it! you can get 2 pcs!Ultra bright, 4 Mode- What's the most important thing in cycling? Your safety will come first. This bicycle LED tail light applied Daytime Noticeable Technology, The 240-degree wide-angle design offers more visibility than any other light on the market, the taillight keeps you visible at night but also in the daytime. 4 Modes for any situation: Steady, Cycle Flash, Super Flash, Meteor Flash.USB Rechargeable- This rear light is powered by a rechargeable lithium battery, it's very convenient and ecological. No need to buy additional batteries. It charges via any USB device in 2 hours, saves you 50 on batteries and stays lit for 5 - 12 hours. (Depending on the light mode)Fits all bikes- The bicycle rear light comes with mount. So it won't lose rubber bands like the taillights with rubber fixed. it attaches to virtually any bike frame, fork, seat post, handlebars or helmet, and can be easily disassembled in seconds without tools. It also can hook onto your belt, running gear, reflective vest, backpack, dog collars ,harnesses, or anywhere on your clothing.