Product details:

This Edison string lights set includes a BLACK C9 Base light string and ST40 Lantern Edison 7-watt glass light bulbs. Socket spacing is every 12. Our ST40 Lantern Edison, 7 Watt C9 (E17) nickel base light bulbs are 1.5 wide by 3.25 tall. Heavy Duty 18 gauge SPT-1W outdoor wire (959 watts max). Manufactured with high-quality UL-tested wire, plugs, and sockets. This set of lights is dimmable. The average bulb life is 3000 hours. Nickel base. Parallel circuit: if one bulb burns out, the rest stay lit. Our 10, 25, and 50 sets have end-to-end connectors. 100 Foot sets do not have end-to-end connectors but can be plugged into one of the smaller sets. The length of wire from the plug to the first light bulb is 6 inches, Indoor and outdoor use. Genuine Hometown Evolution, Inc. Product.