Magnifier Light Arm Design Articulating Arm Reach 43 in Clamping Capacity 2.5 in Color Black Color Rendering Index 80 Color Temperature 5000K Diopter 4 Lens Diameter Not Applicable Lens Material Glass Lens Shape Rectangular Lighting Technology LED Magnification 2x Maximum Brightness Not Applicable Mount Type Clamp Operating Voltage 100 to 240V AC Includes Ultraviolet Light Yes Arm Material Aluminum Dimmable Yes ESD Safe Yes Features Internal Spring Arm