100 Sqft UL Listed 120v Electric Radiant Floor Heating Mat Kit with Thermostat Mat size: 20" wide x 61ft long Voltage: 120V; Amps: 1A; Watts: 1,200W; Cable spacing: 3"; Rated output: 12W per sq. ft Includes Sunray Dual Voltage (for both 120V and 240V) Digital Floor Sensing Thermostat with Floor Sensor Wire Entire mat is adhesive backed for the easiest installation; energy-efficient UL listed - comply with electrical safety standards