Length=60 ft, Voltage=120.00 V, Color=Grey, Includes=Thermostat, Amps=2.50 A, Watts=300.00 W, Wt.=3. * It provides drainage channels so that as natural thawing occurs, water has a path to flow off the r * This cable is not for use on a flat roof nor is it intended to clear the roof of snow and ice * This pre-assembled cable has been designed for the sole purpose of preventing the formation of ice