Product Features Color transparent red, clear and blue bulbs / green wire Number of bulbs on string 10 Bulb size E17 brass base fits into a standard C9 light socket Bulb shape ST40 Spacing between each bulb 12 Lighted length 9' Total length 10' 6 lead cord 6 tail cord Additional Product Features Commercial grade lights Each light has a clip on their base so you can easily attach the lights to your tree or other desired surfaces Fully assembled Bulbs easily screw in and out UL listed for indoor and outdoor use Contains end-to-end connectors which allows you to connect multiple sets together not to exceed 210 watts Wire gauge 20 120 volts, 60 hertz, .55 amps, 70 watts Dimensions 3 long x 1 diameter Material s glass bulbs/wire/plastic