50mm Tungsten Halogen Dichroic Black Backed
It is a false economy to fit inferior quality lamps. The lamp lives quoted are for reputable high quality lamps which really do last for many years. It is also good practice not to fit lamps until major building work is completed. It is the light fitting and correct beam width of the lamp that produces any particular effect.
Black backed to stop the transmission of light behind the fitting.
Average Life 3500 Hours