4" Lead Wire x 8" Spacing x 4" End Connect, Total Length Approx 27ft Max Connect: 45 Sets UL 588 Certified Indoor/Outdoor - Weatherproof for outdoors & safe for indoors These string lights are easy to install. With tight stranded wire to reduces tangles, they can be easily installed in most settings without tools.They'll add a warm, festive glow wherever you decide to hang them. Brite Star has been bringing the newest Lighting and Decor to your home since 1932! Our US based family-run company prides itself on excellent customer service and high-quality products.