Usongs Magnifier 30x Hand Held LED Light Illumination Magnifying Glass Loupe Black for Circuit Board and Printing Industry, Gardening, Stamp, Jewelry Appraisal, Education, Geography Magnification: 30X . Lens Diameter: 1.18inch / 30mm LED Number: 2 . magnifying Material: Plastic . Magnifying glass films Material: high-definition optical glass lenses Color: Black . Power: 2 x CR2016 batteries (include) . Light Source: LED lights Product Size: 33.94 x 1.57 x 0.39inch / 10 x 4 x 1cm (L x W x H) Package Includes: 1 x Magnifier