Features Color clear bulbs / white wire Bulb size mini Includes 2 strings of lights Total number of bulbs 300 Number of bulbs on each string 150 Approximate drop lengths alternate between 19 , 9 , 15 , 18 , and 10 long Spacing between each bulb 3 Spacing between each drop 4 Approximate lighted length of each string 8.5' Approximate total length of each string 9.75' 12 lead cord 3.5 tail cord Additional product features Select lights randomly twinkle to create a shimmering effect 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, fuse and optional blinker bulb UL listed for indoor/outdoor use Wire gauge 22 120 volts, 60 hertz, 1.08 amps, 129.6 watts