The UltraFire WF-509UVN UV Flashlight is designed for precision and durability, offering powerful UV illumination at 395nm, making it perfect for detecting hidden details and fluorescent materials. Its high-quality 6061 aluminum alloy body ensures durability while being lightweight and easy to carry with a convenient hand strap. Whether you need a reliable UV light for inspections, security, or outdoor activities, this flashlight delivers impressive performance with a single mode and a 250-meter beam distance.