These crisp blue C7 Christmas lights are sure to bring add a radiant touch to your home office and restaurant. The striking glow of these incandescent Christmas lights will add vibrancy to your Christmas tree garland or wreath while the opaque finish will soften the brightness for onlookers. The UL listing allows these incandescent Christmas lights to be used both indoor and outdoor making them great for patios and Hanukkah displays too. Product Features: Color: blue bulbs / green wire. Number of bulbs on string: 25. Bulb size: C7. Spacing between each bulb: 12". Lighted length: 24'. Total length: 25'. 6" lead cord. 6" 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. Contains end-to-end connectors which allow you to connect multiple sets together (not to exceed 210 watts). UL certified and approved for indoor/outdoor use. Wire gauge: 20. 120 volts 60 hertz 1.05 amps 126 watts. Material(s): glass/plastic/wire