?? Compact and Portable: ?? The small mini torch is 4.92 inches long, 0.51 inches in diameter and weighs only 2.4 ounces, making it easy to carry in your pocket or bag. It also comes with a magnetic tail cap and pocket clip for multiple storage and attachment options. ?? Quality Material: ?? This pen light UV torch is made of stainless steel for durability, with a waterproof design, it can withstand daily use and bad weather, perfect for indoor and outdoor use. ?? Multiple Charging Methods: ?? The rechargeable torch has a built-in high-capacity rechargeable Li-Ion battery with USB charging function, which can be charged anytime, anywhere via a computer, wall adapter or car charger. The charging indicator turns blue when charging and goes out when fully charged. ?? Black Light Filter: ?? Black light flashlight with Wood's lamp, black UV filter makes the UV light more pure, provides powerful penetration and detection, allowing you to detect stains and marks that are invisible to the naked eye. ??Professional Inspection Torch: ??The pen torch is equipped with 365nm UV LED, which can detect all kinds of fine stains, perfect for detecting kitchen and bathroom room hygiene, fluorescent stains, pet urine and more. It can also be used to validate currency/documents, jewellery inspection, curing UV resin, from home cleaning to professional inspection.