Sunlite Lighting?s LED corn cob bulb lamps deliver a potent and flicker-free ray of light to any setting. Utilizing only 54-watts of energy to produce a stunning 1700K - 1900K amber light in addition to offering significant energy savings when compared to competing lamps. Ideal for various indoor and outdoor settings while not utilizing any hazardous chemicals, such as mercury. With an average lamp life of 40000 hours, Sunlite Lighting?s corn cob lamps are your go to for any wide area lighting needs. Important note: ballast or bypass ballast must be removed to allow corn cob lamp to function. Works only with a/c current.