Ushio brand MR16 halogen special purpose lamp. 360 Watts for more power and light. 82 volts for special optical voltage systems.
3300K color even whiter than ordinary halogen
Dichroic reflector reflects visible light out the front while letting heat escape out the back, resulting in a cool beam of light
NOTE - this is not a general purpose lamp. Light output is greater and color is brighter than equivalent halogen lamps, but rated life is only 75 hours. Generally used in photgraphic or scientific applications.
NO LENS - enclosed fixture recommended