his Feit Electric UL Wet Location approved string light set is designed for indoor and outdoor use. Each set consist of a 48 ft. black cord, 24 sockets spaced 2 ft. apart and 36 incandescent bulbs (12 extra). Sockets are designed to create a waterproof seal around bulb bases. Use a set individually or connect up to 4 sets using included bulbs. Sockets hang approximately 4 inches from the cord and are also compatible with CFL or LED bulbs. These are ideal for patios, porches, walkways, restaurants and anywhere decorative and accent light is desired. Features: Length: 48 ft (14. 6 M)Bulb Spacing: 2 ft (0. 6 M)24 Sockets36 11-Watt Bulbs IncludedBulb Type: S14Link Up to 4 String LightsMaximum Wattage: 1, 200 WattsVoltage: 130V