The Cal Lighting EXN 50W Halogen Light Bulb offers a bright light that meets the lighting requirements of floodlights. It sports a clear finish that amplifies the light to emit a distinctive radiance. The EXN 50W Halogen Light Bulb by Cal Lighting is energy efficient and will not burn out quickly, owing to its halogen light source. It has a bulb base a MR16 that can be securely attached onto light fixtures with a MR16 bulb base. It is standard shaped, and has a wattage of 50.