The floor heat kit with cable is for applications under tile, stone and nailed hardwood floors for rooms of any size and shape. It is ultra-low EMF by design, features a twin conductor with a 15 ft. cold lead and is to be installed at 3.75 in. intervals to meet the needs of any installation. It comes with the programmable nSpire Touch featuring a 3.5 in. full color touchscreen. The dual voltage (120-Volt/240-Volt) thermostat allows you maximum control over the floor temperature with 6-programmable events for each day of the week. Includes floor sensor. The Prodeso Cable Installation Membrane minimizes efforts while fitting a heating cable for electric floor heating. This cost and time-effective heat membrane allows quick installation of tile and floor heating over a variety of different substrates, such as plywood, concrete slabs or wherever heat is desired. There is no waiting required after installation so you can begin laying the flooring immediately.