Feature: 1. High Brightness: This microscope coaxial LED light features high brightness and small luminous area, better use experience. 2. Aluminium Alloy: This microscope coaxial LED light is made from premium aluminium alloy for wear resistance and long service life. 3. Heat Dissipation: This microscope coaxial LED light adopts unique structure design for good heat dissipation and high stability. 4. Dual Use: This microscope coaxial LED light can be used alone or work with a microscope with coaxial function. 5. Multiple Size: We provide LED spot light of different specification for you to choose, which is suitable for devices of different size. Specification: Item Type: Microscope Coaxial Light Material: Aluminium Alloy Purpose: Microscope Light Source Light Source: Led Light Emitting Diode Maximum Output Power: 0-5W Working Distance: Approx. 20-60mm / 0.79-2.36in Maximum Illumination: 240LUX Color Temperature: 3000K to 6000K Dimming Range: 0-100% Adjustable Product Life: >30000HRS Effective Optical Distance: Approx. 15mm / 0.59in Effective Lightpath: Approx. 10mm / 0.39in Product Type: Split Type Diameter of Through Hole: Approx. Φ6mm / 0.24in. Package List: 1 x Microscope Coaxial Light1 x Controller1 x Plug Note: The input voltage of the light and the output voltage of the power controller are both 5V, which must be matched with the power supply. Otherwise, the light source will be burned out.