AmScope 60-LED Microscope Ring Light Illuminator with Adapter and Control Box

This is an intensity-adjustable 60-LED ring light with control box. Its mounting size is up to 2.4inch (61mm) in diameter. The ring light has 1.77inch (45mm) inside and 3.35inch (85mm) outside diameters, respectively. It works with wide band voltage power supplies from 100V to 240V. It comes with a 1.875 inch (48mm in diameter) ring adapter. This ring light provides cool, even, intense and focused shadow-free illumination. It is an ideal durable cool light source for microscopes. 60 bright white LED bulbs 100,000 hours of life Intense and focused shadow-free illumination Variable intensity control Fits up to 2.4inch (61mm) mount rings Outside diameter of ring light: 3.35 (85mm) Inside diameter of the ring light: 1.77inch (45mm) Power input: 100-240V, 50-60HZ, auto switching Type: Accessories

60 bright white LED bulbs 100,000 hours of life Intense and focused shadow-free illumination