This bike light set offers high brightness and multiple light modes. Each light is equipped with 2 main LEDs and 19 auxiliary LEDs controlled by independent switches. The front light features 4 modes, while the tail light has 6 modes, allowing for versatile lighting options to suit various needs. The front light boasts a 1100mAh large capacity battery, with the tail light powered by a 350mAh battery. In "Slow Flash" mode, the front light can last up to 58 hours, and the tail light up to 25 hours. A battery indicator flashes green when the battery drops below 20%, reminding you to recharge in time and eliminating concerns about running out of power. Waterproof at an IPX6 level, this bike light set performs well in rainy or foggy conditions. The USB port is equipped with a waterproof silicone cover that effectively blocks water and prolongs the lifespan of the lights. Easy to install without the need for tools, the lights can be attached to handlebars in four simple steps, suitable for users of all ages. With super bright light, these bike lights are not only ideal for cycling, even on challenging trails or rough roads, but also for hiking, camping, and serving as emergency flashlights during outdoor activities. A must-have for ensuring safety in any environment that requires reliable lighting.