The Closed Front Halogen Dichroic 50 Watt 24 Volt 38 degree MR16 spotlight is a perfect alternative to a traditional incandescent light due to its improved efficacy and longer 2000 hour lamp life. This bulb has a Closed Front meaning it can be used in open light fittings thus increasing its applications compared to an open fronted lamp. This is a high intensity light source that emits a crisp bright white light.