The Feit Electric 20-Watt T4 Bright White Halogen Light Bulb is a reliable replacement for traditional 2-pin T4 bulbs. Our BPQ20/G8/2/HDRP bulb produces a 2700K Bright White glow while using only 20 watts, ideal for outdoor security lights. The 170-lumen bulb is fully dimmable and lasts up to 2,000 hours. The estimated annual energy cost is only $2.41/year (based on 3 hours per day of use). Choose a dependable Feit Electric bulb for all your residential or commercial lighting needs.