Feit Electric 100-Watt T4 Warm White Halogen Light Bulbs are a reliable replacement for traditional 2-pin T4 bulbs. Our BPQ100T4/JCD/RP bulbs produce a 3000K Warm White glow while using 100 watts, ideal for task lighting, decorative fixtures, wall sconces, and desk lamps. The 1600-lumen bulbs are fully dimmable and last up to 2,000 hours. Their estimated annual energy cost is only $12.05/year (based on 3 hours per day of use). Choose a dependable Feit Electric bulb for all your residential or commercial lighting needs.