General Tools 553 4-Inch Power Pocket Illuminated Magnifier Compact magnifier for toolmakers, jewelers and engineers, as well as by hobbyists such as stamp collectors, coin collectors and model builders Handy 4 power magnifier has plastic body and lens Features a powerful 4x lens and a built-in illumination setting for working in dimly lit areas Power source is 2 AAA batteries and Number 222 bulb, included Made in the USA