This is the 150 watt halogen light bulb. It is a low to medium voltage with reflector. The EKE lamp can be used in many different ways. It is most common in projectors, fiber optics, microscopes, and endoscope lighting. The MR16 shape has an outstanding focus beam, bright light and remarkable color rending the PLATINUM EKE bulb is an excellent choice. PLATINUM offers the same outstanding performance and offer a more competitive price than the major manufacturers.