Hands free, head-worn magnifier with 4 different lenses 1.5x, 2x, 2.5x and 3x . Comes with an adjustable headband. Removable LED lamp can be used as a free standing light source. Perfect low vision aid. Magnification: 1.5x, 2x, 2.5x, 3x Objective Lens Diameter: *4" Batteries: 3 AAA (not included) Weight 5.3 oz Dimensions: 7.6" x 2.3" x 9.7" Accessories: 4 lenses