ON THE WAYZoomable 365nm UV Ultraviolet 3 Switch Modes Zoomable High Power Flashlight Torch,Headlamp Adjustable Focus Zoom Light Lamp with Rechargeable Lithium Battery and Wall Charger Made of high quality aluminum alloy and solidly constructed. Skid-proof, waterproof, explosion-proof Professional-grade flashlight produces 365 nm (nanometers) ultraviolet wavelength. Adjustable focus for use in different situations (just rotate torch head to adjust zoom). For finding pet stains, scorpions & bedbugs, verify documents/passport, artwork forgeries/fakes. Money Detector,Document Verification, detecting fluorescer in cosmetics and baby stuff,etc.