The Precision Lighting 40651 16-watt PAR38 dimmable LED lamp features a MirOptic lens and CoolSink Technology. The MirOptic lens has integrated reflectors that maximize light distribution and create a soft 2700K, warm white light with low glare. Rated at 40,000 life hours, this 40-degree flood light has smooth, uniform dimming with little to no maintenance costs. The CoolSink Technology gives this lamp an increased cooling surface area, reducing heat emission. This PAR38 LED is perfect for use in security, recessed, and track lighting fixtures.