Decorate this Christmas season with these blue SMD T-50 size retrofit replacement bulbs. They are faceted LED screw-in replacement bulbs designed for traditional incandescent T50 (E26 sockets). Each has five super bright LEDs encapsulated by a hard-to-break lens (unlike the old-fashioned and very fragile glass incandescent bulbs). Fits directly into existing traditional sockets without extra transformers. Saves up to 90% on electric use with .8 watt per bulb.