AmScope LED80S 80 LED Microscope Compact Ring Light with Builtin Dimmer

This is an intensity-adjustable 80-LED ring light with mounting size up to 2-1/2" (65mm) in diameter. The ring light has 2" (51mm) inside and 4" (100mm) outside diameters. It works with power supplies from 90V to 265V. It comes with a 1-7/8" (48mm in diameter) ring adapter. This light it provides cool, even, intense and focused shadow-free illumination. It is an ideal durable cool light source for microscopes with one year warranty against manufacturing defects. It is brand new in original box. Features & Specifications: 80 bright white LED bulbs 100,000 hours of life Intense and focused shadow-free illumination Variable intensity control Power input: 90-265V, 50-60HZ, auto switching Fits up to 2-1/2" (64mm) mount rings Inside diameter of the ring light: 2" (51mm) Outside diameter of the ring light: 4" (100mm) Packing List: One 80-LED Ring Light One 48mm Ring Adapter