***TRANE BRANDED*** The XL824 Thermostat is equipped with a built-in Nexia Home Intelligence Bridge , you can remotely control and schedule the thermostat and over 200 additional Z-Wave products throughout your home - from any internet enabled smartphone , tablet , or computer. NOTE: Does not work with traditional wired heating and cooling system of any brand with R ,W ,Y ,G ,C Etc. type of wiring - this Control is only for Trane & American Standard 3-Wire Communicating Systems.