Fashion Outlet 3-Mode Focus Adjustable Ultra Violet UV LED Light Flashlight Torch LED model: UV LED Model: 3 mode , high /low/strobe Made of high quality aluminum alloy material , waterproof ,skid proof with clip for easy carrying. Adjustable focus range for different usage, stretching to adjust its focus Great for checking notes, credit cards, fluorescent inks (invisible inks), cracked glassware, or even crime scene etc.