Sunlite BR40/LED/17.5W/D/E/30K 17.5-watt Medium Base LED BR40 Reflector, 6.3" x 5" x 5", Warm White These lamps can last up to 25,000 hours making them virtually maintenance free This 120 volt, 17.5 watt, BR40 reflector features a medium base socket Produces a stunning warm white light at 1100 lumens, using only 17.5 watts of energy Contain no mercury and don't release any hazardous gasses so there's no need to worry in if a bulb breaks and no need for recycling as with CFLs