This is a fiber optic dual light illuminator for microscopes in mint condition. Each metal-sheathed light cable is 22 inch long and can be bent into various positions. light source is a 115V unit with sod-state controls. The lamp is 150Watt with fully adjustable intensity. This cool high intensity lighting system is excellent for biological and electronic applications. 150 Watt Halogen Variable Intensity Fiber Optic light Source Great for Discriminating lighting Perfect for Evenly Illuminating a Specimen without Heating High Intensity 21V/150W Quartz Halogen Bulb Forced Air Cooling System 3200 Degrees Kelvin Lamp Color Temperature Durable Metal Construction Type: Accessories