Carson Optics MagniCard
3 1/4"L x 2"W. Compact, easy to use 2x power magnifier that is so small it fits easily in your pocket, handbag or even your wallet. Credit card size with built-in super bright LED light activates at the touch of a button for use in low light conditions. Carry it with you to use everyday! Great for fine print and map reading. Ideal for viewing menus and prescription bottles. Uses two Lithium CR2016 batteries (included). Weighs 0.64 oz. Hang packaged.