- Double Barrel Lamp with 6 Light Modes: The front light features 2 XPG2 lamps offering 5 versatile modes, while the rear light boasts 6 modes with 16 SMD red LEDs. Illuminate your path with a maximum irradiation distance of 328-656 ft, delivering 300 lumens at the front and 50 lumens at the rear, making it ideal for urban cycling. - Long Runtime & USB Type-C Rechargeable Battery: Both the bike headlight and taillight are powered by a 500mAh rechargeable battery. Enjoy extended use with the front light lasting 3-15 hours and the rear light lasting 5-42 hours. In "Slow Flash" mode, the headlights can last up to 15 hours while the taillight can last an impressive 42 hours. - IPX6 Waterproof Rating: This bike light set is designed to perform in rainy or foggy conditions, ensuring you can ride safely regardless of the weather. The USB port is equipped with a waterproof silicone cover to prevent water ingress, enhancing durability. - Easy Installation: Install the bike lights effortlessly without any tools, making it simple enough for children to handle. Just follow four easy steps: remove the silicone glue strap, thread it through the mounting holes, position it on your bike, and secure the strap. - Memory Mode & 180-Degree Radiation Surface: The memory mode retains your last used lighting setting, reducing the need to reset. The rear light features a 180-degree illumination surface with 4 red warning lights on each side, providing increased visibility and safety. Use Scenarios: 1. Daily commuting in urban environments, ensuring visibility to motorists and pedestrians. 2. Nighttime rides on dimly lit paths, enhancing safety with multiple light modes. 3. Riding in rainy weather, where the waterproof design keeps the lights functional and reliable.