These F50 size retrofit replacement bulbs are faceted LED screw-in replacement bulbs designed for traditional incandescent F50 (E26) sockets. Each has ten 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 a considerable amount of power on electric use. These are great for simple on/off applications. 3-1/2" Flame shaped lens, .58 watt of power, connect up to 320 bulbs in one 15 amp circuit.