6' 5WATTS PER FOOT 120VOLT SELF REGULATING HEAT CABLE W/PLUG ATTACHED JUST PLUG IT IN AND FORGET ABOUT IT WITH RAY CHEM'S SLEF REGULATING CABLE NO CONTROLS ARE NEEDED AS THE TEMPERATURE DROPS THE CABLE DRAWS MORE VOLTAGE TO HEAT UP AND KEEP DRAINS,GUTTERS AND PIPES FLOWING EVEN ON THE COLDEST DAY