1Adjustable Brightness: The brightness of this LED circle light is adjustable, allowing for customizable illumination, shifting between 20 to 100 percent linear brightness control, enhancing the visibility of your microscope's view. 2Bright White Light: The circle lamp features 72 LED light beads for maximum illumination. The light color temperature is at a pleasant 6500K white light, bright and clean, not causing eye fatigue during long periods of usage. 3Sturdy Construction: Constructed from high strength plastic and metal, this circle light source provides excellent durability and stability, ensuring the lamp's longevity of over 100,000 hours. 4Compact and Easy Installation: With inner diameter measurement of 50mm and outer diameter of 80mm, the microscope lamp source ensures an easy installation process and a excellent fit for any compatible stereo microscope. 5Ideal Replacement: The adjustable microscope led circle light can be an ideal replacement choice for damaged or old microscope parts, widely applicable for various microscope types, enhancing the performance of your device. 1 x Microscope LED Circle Light 1 x Connecting Cable