Multifunctional Design: With multiple lighting combinations, this bike light has a 600 lumens LED bulb that reaches hundreds of meters, ensuring improved visibility and safety when ridingWaterproof Property: This bike light is designed for durability in any outdoor setting, providing consistent brightness in all weather conditions, from rain to mud, in good visibilityRechargeable Communicator: When the battery is low, use the USB port for quick recharges and the real-time power display, that your bike lights are often ready for your tripWide Uses: Equipped with 5 distinctive lighting modes, ideal for cycling, camping or fishing adventures. Effortlessly adjust the settings for optimal visibility in various outdoor settingsEffortless Installation: Ideal for cycling at night in various outdoor settings; An ultrabright headlight with an easy-to-attach quick-release bracket easily fits on bicycles, scooters, strollers and backpacks