st40

UL Listed: 20 FT long string lights with 22 clear ST40 Edison bulbs,ST40 Intermediate(E17)socket base, UL listed.The male plug built-in Double fuse.(a spare fuse)
End to end connectable：6″ lead with male plug, 12″ spacing between bulbs, 6″ tail with female connector.Max 3 strands can be connected when used with included 7W Bulbs.if one bulb burn out, others will also be working.
Vintage edison string light is indoor/outdoor use, commercial-strength casing withstands wet weather and extreme temperatures.You just need to take them down carefully and put them in other place.They have clips for hanging on the umbrella.