"The Ironton 50-ft. string lights features 5 lampholders with plastic lampguards spaced 10-ft. apart on a single 125V, 15 Amp, 14/3 cord with grounded plug. Provides an even string of bright lighting. UL listed. Bulb Type A21 or A23, Bulbs qty. 5 not included, Amps 15, Volts 125, Watts 150, Power Cord ft. 50, Power Supply 14/3 SJTW cord, String Length ft. 50. Each holder handles a bulb up to 150 Watts sold separately, providing up to 750 Watts of total illumination Cold-weather vinyl cord jacket remains flexible in temperatures below freezing for easy configuration Includes mesh carry bag"