The Feit Electric 50-Watt T4 Bright White Halogen Light Bulb is a reliable replacement for traditional 2-pin T4 bulbs. Our BPQ50T4/JCD/RP bulb produces a 3000K Bright White glow while using 50-watts, ideal for task lighting and desk lamps. The 600-lumen bulb is fully dimmable and lasts up to 2,000 hours. The estimated annual energy cost is only $6.02/year (based on 3 hours per day of use). Choose a dependable Feit Electric bulb for all your residential or commercial lighting needs.