Pusheng UV 365nm Flashlight Blacklight Torch Detects Lamp Light Pen Outdoor Water Camping Hiking Tactical Flashlight Professional-grade flashlight produces 365 nm (nanometers) ultraviolet wavelength Great for finding scorpions & bedbugs, verify documents, artwork forgeries/fakes Aircraft aluminum body - double-anodized for corrosion resistance with weather-proof silicon seals Battery type: 1 x 14500 li-ion battery /1 x AA (Not-included) Money Detector,Document Verification, detecting fluorescer in cosmetics and baby stuff,etc