【USB RECHARGEABLE】With high quality battery pre-install in the bike light set, suitable for multiple charge and has longer battery life, 500mah battery lasts 3-18 hours in different modes, fast fully charging in 3 hours, suitable for night riding or any outdoor activity High security, visibility to 2000 meters

【EASY INSTALLATION】2 USB cables and 2 strap included, just installs in seconds without tools. This front and rear lights set can fit around many size seat posts, handlebars, seat risers, backpacks, and its strong stretch can keep lights secure, firm and always in right place.

【MULTI MODE OPTIONS】One button control, you can easily switch to different light mode to meet your need. The Headlight has 5 modes, Include high / medium / low brightness, fast flashing and SOS flashing.

【BRIGHT BICYCLE LIGHT】This light set is bright enough, which is great for cycling at night or in places where visibility and safety are concern, gives you and your family the protection, also it can be used as emergency flashlight.

【WATERPROOF LIGHT】IPX-5 waterproof rating, LED bike lights can be able to survive a 10-foot drop, you can using underwater, raining or snowing day.

High elastic and durable soft binding tape, which can be used for 1000 times continuously, is safe and firm, and is convenient for disassembly and assembly without looseness