20 sqft 120V HeatTech Electric Radiant Floor Heating Mat Kit System for Tile Stone Floors with Adhesive Mesh + Digital Programmable Floor Sensing Thermostat TH115-AF-GA with GFCI and Floor Sensor 20 sqft Electric Radiant Floor Heating Mat size: 20" wide x 12.2ft long, Voltage: 120V; Amps: 2A; Watts: 240W. Zero EMF. Floor heating cable is only 1/8" thick ADHESIVE BACKING MESH for easier installation. Lays flat and stays flat. Mesh can be cut to heat other shapes. Honeywell/Aube radiant floor sensing thermostat TH115-AF-GA with built-in 5mA GFCI and floor sensor UL LISTED for USA and CANADA. 25 year manufacturers Warranty