This new 3.5 diopter fluorescent magnifier is superior in form and function. Not only will its design complement your office decor, but the WAVE's unique rectangular magnifier and two independent fluorescent light bulbs offering 30% more intensity enhance optical performance for your exams. Features: Superior optics: 3.5 diopter fluorescent magnifier. 30% Brighter. New "no drift" arm allows complete freedom of movement. "Quick-start" switch and ballast to activate fluorescent bulbs. 10,000 hour bulb life. Made in the U.S.A.; 3-year parts warranty.