These sky blue C9 lights are sure to bring a cool touch to your home. Use them for your holiday decor and party decor. The UL listing allows these to be used both indoor and outdoor making them great for pool areas and patios too. Product Features: C9 Christmas light set Number of bulbs on string: 25 Bulb size: C9 (3" high x 1.25" diameter) 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 Contains end-to-end connectors which allows you to connect multiple sets together (not to exceed 210 watts) Comes with replacement bulbs and spare fuses UL certified and approved for indoor or outdoor use Wire gauge: 20 120 volts, 60 hertz, 1.46 amps, 175 watts