Tru-Tone has developed LED Christmas Bulbs that look like Vintage Incandescent. The Tru-Tone Bulbs and Classic Light Strings are safe to use outdoors. The bulbs come in 3 sizes, each with a different base that fits a corresponding socket size: - C7 Bulb > E12 Base: Smallest bulb, .5 Watts with E12 base (also called Candelabra). - C9 Bulb > E17 Base: Larger bulb, .5 Watts with E17 base (also called Intermediate). - S14 Bulb > E26 Base The Largest bulb, 1 Watt with E26 base (also called Medium base).
