72 LED Ringlight Designed to fit any stereo microscope with a maximum 62MM MOUNTING DIAMETER. Featuring 4 zones that can be operated or controlled separately, to minimizing shadows and provides exceptional uniformity, optimal clarity. Inspection and quality control is no longer a problem to view surface defects and overcome visibility problems. Hard-to-see imperfections in plastic and metal surfaces, defects in solder joints and fine points on translucent surfaces now become visible. Specifications: Light Control: 4 mode light control, each mode has an adjustable brightness Provides cool, flare free and focused shadow-free illumination Power Supply 240V Output: 24V 6W Color Temperature: 6400K Lamp Life: Minimum 10,000 hours Max. Opening: 62mm 72 LED Bulbs, adjustable brightness.