The Strong Light Waterproof Headlights B103 As a super bright LED running headlight, it delivers an impressive maximum luminous value of 350LM at 100% brightness. This ensures that you have ample illumination to navigate through dark environments, making it perfect for outdoor adventures, professional operations and emergency rescue situations where clear visibility is crucial. Made from high-quality aluminum alloy, this headlight is built to last. Its robust construction can withstand the rigors of various activities and environments. Additionally, it features strong light waterproof capabilities, allowing you to use it confidently in different weather conditions, including light rain or damp environments, without worrying about water damage. Powered by 2*18650-1200mAh polymer batteries, it offers a decent running time of 2 hours at 100% brightness. The removable battery design provides added convenience, allowing you to easily replace or charge the batteries as needed. With a charging time of 2.5 hours via the Type-C charging method, you can quickly recharge the batteries and have your headlight ready for use whenever you need it. The headlight features a P50/white laser lamp bead, ensuring high-quality and focused illumination. Its color temperature is ideal for various applications, providing a clear and natural view of your surroundings. The zoom stretch irradiation distance allows you to adjust the beam focus according to your specific needs, whether you require a wide-angle illumination for close-up tasks or a focused beam for distant objects.The adjustable headband ensures a comfortable and secure fit, allowing you to wear it for extended periods without discomfort. This makes it an excellent choice for activities such as hiking, camping, night running, and more.