The Dazor LMC100-11-BK Circline Series LED Magnifier is an all-purpose magnifier that provides abundant even and shadow-free light over a broad surface. Its innovative glow ring diffuses and softens the light emitted by the LEDs and simulates the output of a traditional fluorescent bulb while being twice as bright. This multipurpose magnifier features Dazor's patented adjustable arm for easy positioning and separate on/off and dimming controls (dimmable up to 20%). The Dazor LMC100-11-BK Circline Series LED Magnifier has superior energy-efficiency and a durable powder-coat finish. This powerful magnifier has a 5 year mechanical/2 year electrical warranty and is made in the USA.