This Bulb America AR111 bulb can be used in various ways. This Halogen bulb is most commonly used in the following applications, specialty lamps, commercial lighting, tractor lighting, stage and studio lighting, and industrial lighting. This bulb has a beam spread of flood and a beam angle of 25 degrees. It uses 50W/12V, has a diameter of 4.37 inches, an overall length is 2.64 inches, and a reflector lamp finish. This Bulb America AR11 bulb has an average rated life of 3000 hours.