Bike Tail Light, Sport LED Rear Bike Light USB Rechargeable, Red High Intensity Bicycle Taillight Waterproof, Helmet Backpack LED Lamp Safety Warning Strobe Light for Night Ridding

• MULTIFUNCTIONAL LIGHT: Lightweight and durable bike tail light that can be mounted on children's bike, adult bicycle, handlebars, seat posts, dog collars or anywhere. It also can be used as helmet lights, backpack lights, warning lights and more. • SET YOUR OWN LIGHT MODES: 5 light mode options: Slow flash, flash, warning light, 100% brightness and 50% low brightness. You can switch different modes according to your needs and different occasions to get the best lighting experience. • NO BATTERIES REQUIRED: Built in USB charge port for this bike rear light (USB cable included). Please charge it when the indicator light is red. It will turn green when fully charged. • WATERPROOF BIKE TAIL LIGHT: You can enjoy your ride in the rain, made of high-quality material,waterproof. Both the headlight and taillight can be switched on to flash,making it easier for others to spot you in bad weather and thus better avoid you. • QUICK INSTALLATION: The elastic straps are designed for easy installation and better retention on the bike. Light and compact,reducing the burden of riding.Can also be used for hiking,camping or as an emergency flashlight during outdoor activities.