Westinghouse R16 40 Watt Frost (2700K) E26 (Medium) Base Incandescent Reflector Light Bulb.Incandescent mini and standard reflector light bulbs are perfect for general lighting or directional lighting. Standard reflectors provide a soft white light while the option of color reflectors is also available. These light bulbs last on average up to 2000 hours. Variety of reflector sizes including R14, R16, R20, R/BR30, BR40 and BR38 .Last up to an average of 2000 hours .BR30 and BR38 light bulbs available in a variety of colors .BR38 light bulbs can be used indoors or outdoors .Completely dimmable