Product Features Color pure white bulbs / green wire Number of bulbs on string 50 Bulb size C9 light cover over 1 wide angle bulb Spacing between each bulb 5” Lighted length 20.25’ Total length 21’ Lead cord 5” Tail cord 4” Additional Product Features LED lights use 90% less energy Cool to the touch Strand contains 2 rectifiers, this eliminates the shimmer and shake in the light set Durable non-glass, faceted replaceable bulbs 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 Contains end-to-end connectors which allows you to connect multiple sets together not to exceed 210 watts Comes with replacement bulbs and spare fuse UL listed for indoor or outdoor use Wire gauge 22 120 volts, 60 hertz, 0.04 amps, 4.8 watts