The Ushio S14 Green Utopia LED Lamp 2W Medium Base fits standard household lamp sockets and draws only 2 watts. Used in signs, marquees and amusement rides the S14 is designed to mimic traditional incandescent lamps while providing an 80% energy savings and long life. Works interior or exterior and wet locations. These bulbs are dimmable (with approved dimmers) and can be cycled and flashed repeatedly. For film, video and photo work these bulbs can be used in Chinese lanterns and practical lamps and sockets.