The Lighting Science Definity DFNBR30NW120 BR30 LED lamp is a great, energy efficient alternative to incandescent bulbs. It is rated for 50,000 life hours and produces a color temperature of 4000K. This bulb operates at 15 watts, but is a 65 watt equivalent and has an initial output of 844 lumens. Compatible with most Lutron dimmers, the bulb is dimmable to 5% brightness and features a patent-pending optical design for a smooth beam pattern that creates a room-filling glow. With a five-year warranty, this bulb won't disappoint in your residential recessed lighting, track lighting, kitchen, or home theater lighting.