Feature 1Adjustable Brightness: This microscope ring light is designed with dimming knob that allows you to adjust the brightness without eyes leaving the microscope. 252 LED Beads: This ring light for stereo microscope is equipped with 52 LED beads that provide cool, even, intense and focused shadow free illumination. 3Wide Application: This stereo microscope light is ideal for education, photography, laboratory research, engineering, chemistry, manufacturing and industries. 4Easy Installation: This stereo microscope ring light features compact design, and it adopts metal nonslip nuts and screws for a convenient and stable installation. 5High Flexibility: This microscope light is an ideal durable light source for all stereo microscopes and cameras. And with the included 4.6ft long power cord, you have the flexibility to move the microscope for long distance work.Item Type: Microscope Ring LightMaterial: ABSFrequency: 50/60Hz 0.6AVoltage: US Plug 100-240VPackage List1 x MicroscopeRingLight