When only opaque will do, let these classic red opaque Christmas lights bring warmth to your holiday display. This light set has opaque candelabra C7 bulbs spaced 12 inches apart on 25 feet of green wire. UL listed for indoor/outdoor use, this light string has a lead and tail length of 6 inches each. Three sets can be safely connected with the male to female connections. This holiday season make your house glow with the traditional warmth of incandescent lighting.