Featuring smooth, uniform dimming from 100 to 0.5 percent, the TCP LED10P20D27KNFL Elite Designer 10-watt LED PAR20 lamp exceeds all industry performance requirements for directional lamps. Operating at 120 volts, this PAR20 lamp is perfect for track, recessed downlight, outdoor lighting, and many other applications. Using up to 80 percent less energy than halogen alternatives, this 25,000-hour solid state lamp significantly reduces lighting service and maintenance. With a 25-degree narrow flood beam angle and very low heat generation, this LED PAR20 is excellent for sensitive display lighting. and its very low heat generation makes it excellent for sensitive display lighting.