Under Floor Electric Heating System For Use With Flooring Type Carpet Ceramic Tile Marble Porcelain Stone Vinyl Tile Overall Length 20 ft Overall Width 18 in Thermostat Included No Voltage 120V AC Wattage Output per Square Foot 12 W Wattage Output 360 W Amperage 3 A Control Type Thermostat(Not Included) Control Volts 120V AC Ambient Temp Range 32 to 104 Degrees F Cold Lead 2-Wire 16 AWG Plus Ground Braid Heating Cable Conductor Type Dual XLPE Insulated Conductors