These C9 size retrofit replacement bulbs are faceted LED screw-in replacement bulbs designed for traditional incandescent C9 (E17 socket) sockets. Each has five super bright LED's encapsulated by a hard-to-break lens (unlike the old-fashioned and very fragile incandescent bulbs). Fits directly into existing traditional sockets without extra transformers. Saves up to 90% on electric use. These are fine for simple on/off applications. Orange color, Replacement bulb for C9 ( E17 socket) 2-1/4 cone shape Sold in packs of 25, .8 watts of power, connect up to 1125 bulbs on one 15 amp circuit Dimming or Non-Dimming.