Package include 1 x 20ft mini string light, 1 x spare fuse, 2 x replacement incandescent bulbs, 2 x flasher bulbs. The lighted length of outdoor Christmas lights is 18.5 ft, the leading wire is 1.5 ft, and the bulb space is 2.25 inch, work voltage of each bulb is 2.5V / 0.42W, safety with built in 3A fuse.Each set of light have male and female plug, can connect up to 6 sets (Max 600 Count). Max string lighting length is 120 FT, allow you to decorate various scenarios. Each bulb has 2,500 hrs lifetime. Durable for use.The Christmas tree lights is IP 44 waterproof, build-in 3A fuse and pass with UL certified, is safety for both indoor and outdoor decorations. Each bulb works individual, others will work well when one bulb is defective. Just use the spare bulbs to replace the defective bulb.
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