The LED ring light is specially designed for stereo microscope, and is a great companion for different types of microscopes and camera.Features:144pcs LED lamp beads provide luminance from 30,000lx to 40,000lx. Give intense and concentrated shadow-free illumination for clear observation.Offers an optimal amount of lights 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 while hunting looking in dark places or areas.Adjustable brightness from 0% to 100%, easy to control the intensity of LED light.The well-made ring lightFeatures long lifespan up to 100,000 hours. Suitable for lens diameter 30mm-63mm.Features:Material: PlasticColor: BlackPlug Type: EU PlugInput: 100V-240V AC, 50/60HzOuput: 12V DCPower: lt;4WLuminance: 3000lx~40000lx (within 80mm distance)Connector Size: 61mmDimmable Brightness: 0~100%Effective Distance: 50~250mmClear Aperture: 60.5mmItem Size: 9.3 x 6.3cm / 3.66 x 2.48in