This traditional type, tight fit, canopy light is equipped with universal voltage input (120v-277v). It incorporates a patented watt selectable control system which allows for custom tailoring of light output and power usage at the fixture level. Gone are the days of choosing the wrong fixture and installing the incorrect wattage light. It is rugged and built to seamlessly replace existing high-pressure sodium and metal halide canopy fixtures. It is built to offer years of maintenance free illumination and provide high efficiency while being environmentally friendly. A single product with the ability to replace a wide range of fixtures!