These lights are a perfect addition to your holiday decor for indoor and outdoor. You can hang these anywhere on your mantel, Christmas tree or even in your doorways. Product Features Color transparent blue bulbs / green wire Number of bulbs on string 50 Bulb size C9 wide angle bulb with a C9 light cover Spacing between each bulb 4 Lighted length 16' Total length 17' 4 lead cord 5 tail cord Additional Product Features LED lights use 90% less energy Durable non-glass replaceable bulbs Cool to the touch UL listed for indoor or outdoor use If one bulb burns out, the rest will stay lit Each socket has a clip on it for securing to trees or other surfaces Comes with replacement bulbs and spare fuses Contains end-to-end connectors which allows you to connect multiple sets together not to exceed 210 watts Wire gauge 22 120 volts, 60 hertz, 0.02 amps, 2.4 watts Material s plastic bulbs/wire