1 3/8" x 1 3/8" overall. Silver composition housing. Features two white LED's with on/off switch, eye lens, focus adjusting lens barrel and objective lens. 45x magnification. Uses three LR927 button cell batteries (included). Black leatherette storage pouch with velcro closure. Great for industrial use, medical science, coins and stamps, geography, circuit board, printing, gardening, education, house living or offices.