AmScope LED-80AM 80-LED Lighting-Direction-Variable Microscope Ring Illuminator

This is a lighting-direction-changeable 80-LED ring illuminator. The light ring is consisted of 8 portions. Turning on/off each portion of the ring light separately, you can change the lighting direction. The LED illuminator comes with a heavy-duty design with a metal control box and one serial port (comm port). The ring light has 2-5/8" (66 mm) inside diameter and 4-3/8" (110 mm) outside diameter. It works with all the power supplies from 110V to 240V. This ring light comes with an industry standard 1-7/8" (48 mm in diameter) mounting adapter. With variable intensity control, it provides cool, even, intense and focused shadow-free illumination. It is an ideal durable cool-light source for microscopes. It is brand new in original box. Its retail value is $550. Features & Specifications : 80 bright white LED bulbs Lighting-direction-changeable ring light 8-portion ring light with separate controls Cool, even, intense and focused shadow-free illumination One serial (comm) port 100,000 hours of lifetime Intense and focused shadow-free illumination Variable intensity control Optimum light range: 2-3/8" - 5-1/2" (60mm to 140mm) Power input: 110-240V, 50-60HZ, auto switching Mounting size: up to 2-5/8" (66mm) Packing List : One 80-LED Ring Light One Control Box One Power Adapter One 48mm Ring Adapter Shipping Weight: 5 lbs