Light up your Halloween with these eerie flickering retro lights Product Features Color clear glass, flickering bulbs / black 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 Each light has a clip on their base so you can easily attach the lights to any desired surfaces 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