The MR16 White Beam bulbs are made with pure Neodymium glass. They are designed to cut down much of the yellow emission spectrum, resulting in brighter more vibrant colors, as well as increased black and white contrasts. These Halogen lamps last 5,000 hours and feature a Titanium coated reflector and practically no heat. Plus there is no UV emission so not only will your art look good it will stay looking good. 50 watt Bulbs.