1、Adjustable Brightness: This microscope LED spot light provides high brightness and small luminous area, and brightness is adjustable. 2、Heat Dissipation: This microscope LED spot light adopts unique structure design for good heat dissipation and stable performance. 3、Dual Use: This microscope LED spot light can be used alone or work with a microscope with coaxial function. 4、Highly Durable: This microscope LED spot light features high brightness and small luminous area, better use experience. 5、Different Size: We provide LED spot light of different specification for you to choose, which is suitable for devices of different size. Item Type: Microscope Coaxial Light Material: Aluminium Alloy, ABS 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 1 x Microscope Coaxial Light 1 x Controller 1 x Plug