Round Magnifier Light Arm Design Gooseneck Arm Reach 12 in Clamping Capacity Not Applicable Color Black Diopter 3 Lens Diameter 3.5 in Lens Shape Round Lighting Technology LED Magnification 1.75x Maximum Brightness 320 lm Mount Type Weighted Base Operating Voltage 120V AC Includes Ultraviolet Light No Dimmable No ESD Safe Yes