This magnifier is great for reading menus in dimly-lit restaurants and fine print on instructions and medicine bottles. Have powerful 3.5x lighted magnification right in your purse or pocket with this compact 3.25 x 1.75 inch design (when closed) that opens to instantly reveal the magnifier and turn on the bright LED light. Carabiner and batteries (2 x CR2016) included.Details: White3.25" x 1.75" (8.25cm x 4.44cm) when closedPlastic, steel, and glass