TRU-AIM BRILLIANT MR16 lamps have an aluminized reflector that does not deteriorate over time. Therefore, they continue to have highly stable color and crisp, white light output throughout their service life, consistent color and transmits heat through the front of the lamp to reduce fixture damage. This Osram Sylvania Tungsten Halogen Tru-Aim MR16 has a GU5.3 Bi-Pin base, 20 watt, 12 volt, and a wide flood beam.