Set of 25 Blue Christmas Lights Item #0841-04 Features: Color: opaque blue bulbs / green wire Number of bulbs on string: 25 Bulb size: C7 Spacing between each bulb: 11 inches Lighted length: 24 feet Total length: 25 feet 5.5 inch lead cord 6 inch tail cord Additional product features: If one bulb burns 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 Bulbs easily screw in and out End-to-end connectors allow you to connect multiple lighted items together (not to exceed 210 watts) Wire gauge: 20 UL listed for indoor or outdoor use 120 volts, 60 hertz, 1.05 amps, 126 watts