- Long-lasting battery life: Equipped with three built-in 18650 lithium batteries with a total capacity of 4500 mAh, this device offers a remarkable runtime of 3-5 hours on a full charge, ensuring reliable performance when you need it most. - Versatile brightness control: Featuring a five-gear switch, you can easily adjust the light intensity to suit various environments, providing optimal illumination for any situation. - Dual charging capability: The USB input design not only allows for convenient charging of the device but also enables it to function as a power bank, capable of charging laptops or mobile phones, making it a practical companion for your devices. - High-performance illumination: Utilizing a premium P50 strong light wick, this product delivers high brightness and extends the range of light projection. The ring-shaped grille shell enhances heat dissipation, ensuring longevity and reliable performance. - Portable and adaptable: The standard retractable strap allows for easy carrying, making it suitable for a wide range of activities including outdoor excursions, camping trips, patrol duties, mountaineering adventures, and expeditions. This product is ideal for anyone in need of a dependable light source that can also serve as a portable power bank. Whether you're camping under the stars, exploring rugged trails, or ensuring safety during nighttime patrols, this versatile device meets all your lighting and power needs.