Regularly $7.97 - 21mm 10X Illuminated Jeweler's Loupe with UV LED Light. Built in ultraviolet light LED light illuminates the object you are inspecting. UV Light can be used for close inspeciton of; gems, minerals, driver's licenses, passports, blood trails, urine, etc. This loupe has a single element lens. Loupe has a bail to which a chain can be attached. Uses 3 AG7 batteries which are included.