Feature: 1. With 16pcs high‑power LED lamp chips, the brightness can be adjusted from 0 to 100%. 2. Color temperature does not change when light source is adjusted, and service life of LED lamp is as long as 20,000 hours. 3. Integrated design, power supply and light source are separated, easy to install and save space. 4. Uses special polarizing materials, good polarization effect, convenient for observing the internal structure of object. 5. Practical microscope accessory, stable performance, reliable quality, suitable for long‑term use. Specification: Item Type: Microscope Light Source Material: Metal Model: KP-P100A Number of LEDs: 16 High-Power LEDs Inner Diameter: Approx. 62mm / 2.4in Polarizer Diameter: Approx. 43mm / 1.7in Input Voltage: DC24V/500mah Brightness Adjustment Range: 0-100% Ambient Temperature/Humidity: 0-40℃/ 20-80%RH Light Color: White Service Life: 20,000 Hours How to Use: Get the product, first look at the microscope light source parameters, install it on corresponding device, plug in the power source, and then turn on the light source for observation. . Package List: 1 x Microscope Light Source1 x Polarizer Lens1 x Adapter1 x Manual Note: 1.Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.