Long-lasting 4400mAh Battery Enjoy extended cycling sessions with the 4400mAh battery, providing reliable power for your adventures. Intelligent Sensing Experience hands-free cycling with intelligent sensing technology that adjusts light intensity according to your speed. High Brightness 1500LM Illuminate your path with the WEST BIKING 1500LM front light, ensuring safety and visibility during night rides. Waterproof IPX6 Rating Conquer any weather with the waterproof IPX6 rating, keeping your light safe from splashes and rain. Type-C Fast Charging Recharge your light quickly and efficiently with the convenient Type-C charging port.