States 12.5 feet. That includes the lead from the solar array to the first lamp. It's only about 6 feet of lamps and there is no easy way to secure the bulbs to anything ("No extra wires or tools needed, quickly and effortlessly install them"). I had planned on having them suspended from a 12 ft wide arbor and of course they won't stretch either the length or the width (10 feet). Not worth the hassle to return them.

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