Multi-mode Brightness: LED bike light provides an impressive 250LM brightness with multiple modes to choose from. The bike headlight has 3 different modes, including high and low brightness as well as a flashing mode. The rear bike light has 4 flashing modes for added safety.Safety Comes First: We've combined a powerful 120dB bike bell with the bike light to ensure maximum safety when riding. The bell has 5 different ring. Be heard and seen by pedestrians and vehicles to minimize accidents.Easy Installation: Bike lights are designed with quick release features, making installation a breeze. You can easily detach the bike light and bell to charge them quickly. With only 1-2 hours to fully charge, you can enjoy long-lasting use in no time.