Product Features: Color: red and white bulbs / green wire Number of bulbs on string: 100 Bulb size: C7 light cover over 1 wide angle bulb Spacing between each bulb: 8 inches Lighted length: 66 feet Total length: 67 feet Wire gauge: 22 Additional product features: Commercial length LED lights use 90% less energy Cool to the touch Strand contains 2 rectifiers, this eliminates the shimmer and shake in the light set Each socket has a plastic clip on it so you can easily attach the lights to trees, bushes or any other surfaces If one bulb burns out, the rest will stay lit End-to-end connectors allow you to connect multiple sets together (not to exceed 210 watts) Durable, break resistant plastic bulbs are not replaceable UL listed for indoor/outdoor use 120 volts, 60 hertz, 0.08 amps, 9.6 watts