Westinghouse R20 45 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.Last up to an average of 2000 hours.BR38 light bulbs can be used indoors or outdoors. Completely dimmable