The LED ring light is specially designed for stereo microscopes, making it a great companion for various types of microscopes and cameras. Features: 144pcs LED lamp beads provide 30,000lx-40,000lx brightness. Provide intense and focused shadow-free illumination for clear observation. Provides optimal amount of light to the microscope or camera when additional light sources are needed or there was not enough light. Inspection and quality control are no longer a problem to see surface defects and overcome related visibility problems. It can also be used as a light source for cameras to focus during hunting guard in dark places or areas.< /p> Adjustable brightness from 0% to 100%, easy to control the intensity of the LED light. The well-made ring light Features a long lifespan of up to 100,000 hours. Suitable for lenses with a diameter of 30mm to 63mm. Features: Material: Plastic Color: Black p > Plug Type: EU Plug Input: AC 100V-240V, 50/60Hz Output: DC 12V Power: