The Feit Electric 100-Watt T3 Halogen Light Bulb casts a bright, white glow and shines up to 2,000 hours. This ultra-bright, dimmable bulb is ideal for work lights, outdoor security, pool, and spa lighting. 3000K Warm White light provides inviting light that won’t strain the eyes. It emits 1200 lumens of light. Use Feit Electric Q100T3/CL/S halogen bulbs for bright, reliable light.