These warm white LED 50mm Conical string lights are part of our Commercial grade series. Twin pin coaxial with rubber o-ring connections for a waterproof seal and 4 gauge wire. This string light comes on green wire with 4 inch spacing and tinkle in every fifth bulb. Using substantially less power than the traditional incandescent set, connect up to 420 watts (ONE UNIT OF C-APCORD-1G TO FUNCTION PROPERLY IS NOT INCLUDED) UL listed for indoor and outdoor use. Each set is rated at 4.8 watts. Commercial String of 50 Pure White 5MM 1/5 Twinkle Conical Lights with 4" spacing for indoor and outdoor use UL Approved 22 Gauge Green Wire 16.6' lighted length twin pin connection Power cord is not included C-APCORD-1G is the power cord needed 4" Lead on both ends Connect up to 2500 points of light