Feature: 1. Can be used as the light source for the camera to focus, convenient for observation in places with insufficient light 2. With 144 LED ring lights, suitable for stereo microscopes, easy to install and remove 3. With strict quality control and quality assurance, high safety factor, can be used with confidence 4. The product is made of high‑quality materials, sturdy and durable, long service life 5. The LED lamp has high brightness, uniform brightness which can provide stable performance Specification: Item Type: Microscope LED Light Material: ABS Light Color: 6000K (close to sunlight) Power: Less than 4W Maximum Power: Less than 3W Brightness: 30000Lx ~ 40000Lx, adjustable brightness control, strong and concentrated lighting, no shadows Brightness: 20000Lx at a height of 80 mm Connection Size: Diameter 63.5 mm or less Working Distance: Approx. 50 ~ 250mm / 2 ~ 9.8in Adjust Illuminance: 0 ~ 100% Ambient Temperature: -40 to 45 degrees Celsius Suitable for industrial microscope camera light source. Package List: 1 x LED Light1 x Adapter1 x Black Ring