The R111 halogen reflector is suitable for fixtures where the lamp is part of the fixture's appearance. With a line-voltage equivalent to AR111 lamps, the lamp gives highly accurate and precisely defined beam spreads. Its GU10 base provides a secure twist and lock system. The glass lens cover has a frosted glare shield. Lamp options include 50W, 75W, and 100W versions, as well as flood and wide flood, and have a 2,000-hour rated lamp life.