SunTouch WarmWire (120V) Floor Heat Kit, 100 sq ft Cable Adaptable to Any Layout and adds Luxury and Comfort to Any Room Under Tile/Stone Includes User-Friendly Command Touch Programmable Thermostat WarmWire cable is thin, durable, and energy efficient. (Input: 120V, Output: 12W/SqFt, 41 BTUs) Heats 100 square feet (Contains(1) 391 ft spool with 10 ft armored power lead) Installs easily with complete design freedom for going around turns, fixtures, and obstructions. Kit includes cable, touchscreen programmable thermostat, floor sensor, and install accessories.