Bicycle Rear Light, Waterproof Warning, Rechargeable USB LED, 5 Modes

MULTIFUNCTIONAL SAFETY LIGHT: Easy to install. Lightweight and durable taillight that can be mounted on any bike, child's or adult's, handlebars, seat posts, dog collars, or anywhere else. It can also be used as a helmet light, backpack light, warning light, etc. SET YOUR OWN LIGHTING MODES: 5 lighting mode options: strobe (9 hours), slow strobe (56 hours), meteor flash (14 hours), tai chi flash (17 hours), breathing flash (8 hours). You can change modes according to your needs and different occasions to get the best possible lighting experience. NO BATTERIES REQUIRED: Built-in USB charging port for this bike taillight (USB cable included). Please charge it when the indicator light is red. It will turn green when fully charged. WATERPROOF BICYCLE TAIL LIGHT: The tail light is made of IPX5-rated water-resistant material to ensure safe use in rainy weather. WARRANTY: Any problems can be addressed by contacting us, and we will try to resolve them within 24 hours. We offer a money-back guarantee.