This new LED fiber optic microscope illuminator provides strong even and cool daylight illumination. It comes with 50 Watt 790 lumen LED light source and single gooseneck light. The light source has a built-in heat filter for cool light . This LED light has radiator and cooling space which allows no cooling off time needed after use. The inside fan design also allows the unit to work with very low noise. This cool high intensity lighting system is excellent for biological and electronic applications. This un Features & Specifications: Fiber Optic Illuminator with Single Gooseneck Light 50 Watt 790 lumen LED Light Source with Variable Intensity Built-in Heat Filter Radiator and cooling space allows no cooling off time after use Inside fan design allows the illuminator to work with low noise Great for Discriminating Lighting Perfect for Evenly Illuminating a Specimen without Heating High Intensity 50W LED light 6400 Degrees Kelvin Lamp Color Temperature Durable Metal Construction Manufactured under ISO 9001 Standards Shipping Weight: 8 Lbs Packing List : One 50W Variable Intensity LED Light Source Fiber Optic Single Gooseneck Light One Power Cord