LBJD Precision 365NM UV Technology - Discover the true power of black light with our flagship 365nm flashlight. Unlike 395nm lights, ours offers powerful ultraviolet illumination, ensuring a clear and undistorted view of the fluorescence, revealing even the faintest traces. High-Capacity Rechargeable Battery - Step up your use experience with a battery designed specifically for demanding applications. Our custom-made battery delivers unparalleled runtime and performance, far surpassing standard AA/AAA batteries. Plus, being rechargeable makes it environmentally friendly, allowing you to contribute to a greener planet while enjoying the convenience of a powerful UV flashlight.