Round Magnifier Light Arm Design Articulating Arm Reach 43 in Clamping Capacity 2.5 in Color White Color Rendering Index 80 Color Temperature 5000K Diopter 4 Lens Diameter 7.5 in Lens Material Glass Lens Shape Round Lighting Technology LED Magnification 2x Maximum Brightness 1 500 lm Mount Type Screw-Down Operating Voltage 100 to 240V AC Includes Ultraviolet Light No Arm Material Aluminum Dimmable Yes ESD Safe Yes Features Membrane Switch Precision Ground Swivel