This Feit Electric string lights saves energy and the environment. It is UL wet location approved and is designed for indoor and outdoor use. Each set (pack) consists of a 48ft cord, 24 sockets spaced 2ft apart and 24 LED filament shatter resistant bulbs (2 extra). Sockets are designed to create a waterproof seal around bulb bases. Use a set individually or connect up to 45 sets. Sockets hang approximately 4 inches from the cord and are also compatible with incandescent, CFL or LED bulbs. These are ideal for patios, porches, walkways, restaurants and anywhere decorative and accent light is desired.