Product Features Color clear bulbs / green wire Number of bulbs on string 25 Bulb size C7 Spacing between each light 12 inches Lighted string length 25 feet 7.62m Total string length 26 feet 7.92m Wire gauge 20 Additional Product Features Each bulb twinkles in a random fashion If one bulb goes out the rest will stay lit Each light has a clip on their base so you can easily attach the lights to your tree or other desired surfaces UL listed for indoor and outdoor use 120 volts, 60Hz, 1.46 amps, 175 watts Contains 1 plug with no end connector. There is a plug on the tail with 1 end connector which allows you to connect multiple lighted items together not to exceed 210 watts Material s glass bulbs/wire