50 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 50 sqft Radiant Floor Heating Mat size: 20" wide x 30.5ft long, 120V. With ADHESIVE MESH. Mesh can be cut to heat other shapes. Voltage: 120V; Amps: 5A; Watts: 600W. Zero EMF. Highest quality heating wire. Heating cable is only 1/8" thick and will not raise floors significantly. Cold lead: 10ft. Cable spacing: 3". System output: 12Watts per sq.ft (41 BTU/sq.ft); Honeywell/Aube TH115-AF-GA digital floor sensing thermostat with built-in 5mA GFCI and floor sensor UL LISTED for USA and CANADA. 25-year Warranty