The Mighty Mag features a large 7" x 5.2" 3-diopter (1.75X) distortion free crystal clear lens mounted in a high tech style mar-resistant engineered plastic housing with dual light sources. The large, rectangular viewing area of the glass enables comforatble viewing with both eyes and provides shadowfree magnification with light coming from both sides. The housing is mounted to an internal spring balanced arm with a 30" reach that will set in any position. Unit operates at 115VAC and comes complete with mounting clamp and a 5-foot power cord. 1 year warranty excludes bulb. ESD black housing.