These unique cool blue C9 lights are sure to bring brightness to your home and decorations. Use them for your holiday or decor for a festive touch. The UL listing allows these to be used both indoor and outdoor making them great for pool areas and patios too. Product Features: Color: transparent blue bulbs / green wire 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: Super bright bulbs If one bulb burns out, the rest will stay lit UL certified and approved for indoor and outdoor use Bulbs easily screw in and out Contains end connector which allows you to connect multiple lighted items together (not to exceed 210 watts) Wire gauge: 20 120 volts, 60 hertz, 1.46 amps, 175 watts Material(s): glass/plastic/wire