Incandescent Bulb, Bulb Base Type Medium Screw (E26), Bulb Housing Glass, Bulb Shape R40, Bulb Finish Frosted, Color Rendering Index 100, Color Temperature Not Rated, Lumens Not Rated, Light Technology Incandescent, Shatter-Resistant Yes, Trade Number Not Applicable, Voltage 120V AC, Watts 250 W, Bulb Beam Angle 105 Degrees , Rated Life 5,000 hr, Dimmable Yes, For Enclosed Fixtures No, Three-Way No, Light Color Red, Rough Service No, Special Features Heat Lamp, Indoor/Outdoor Usage Indoor Only Heat lamp reflector light bulbs give off a wide beam of infrared light that also emits radiant heat. They are used for warming animal enclosures, drying chemicals and paint, heating bathrooms, preventing pipes or equipment from freezing, and keeping food warm in food-service areas.Spot, reflector, an.