Designed for use in 120-Volt fixtures only, the Feit Electric 100-watt T4 Bright White Halogen Light Bulb is a reliable replacement for traditional 2-pin G8 base bulbs. Our BPQ100/G8/RP bulb produces a 3000K Warm White glow while using 100 watts, ideal for outdoor security lighting, motion sensor lights, and task lighting. The 1,600-lumen bulb is fully dimmable and lasts up to 2,000 hours. The 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.