Lighted Bino Head Magnifier Dual Lens Multiple magnification from 2.2x to 4.8x with 3 lens / loupe A. Fixed lens - 2.2x * B. Flip lens - 1.1x * C. Loupe 1.5x * Coated acrylic lens Useful for jewelers, watch repair, mold makers, precision work etc.. AAA Batteries required on both sides for light Batteries not included ; Clean with soft lint free cloth with natural cleaning agent