The 150 foot spool of 1/2 inch by 1/2 inch 3 wire 120 volt sakura pink chasing square flexilight rope light consumes only 5.5 watts per foot and can be cut every 36 inches. Each spool is manufactured with anti aging UV protected PVC covering. All of our rope light is UL listed for indoor and outdoor use under UL2388. Bulb spacing is one inch and each spool includes 3 power leads, 3 power connectors, 3 end caps and 3 splice connectors. Controllers sold separately.