White Rodgers Sensi WiFi Thermostat. With HomeKit, Remote App Control, Home Comfort Control Anytime, Anywhere. Universal Compatibility: Heat, Cool, Heat Pump, Dual Fuel. Geofencing Smart Feature And Flexible Scheduling Options For Energy Savings. Works With The Wires In Most Homes. No C-Wire required (except HomeKit). Auto Changeover. Humidity Sensor, Large Backlit Display. Multi Stat Control Capable For Light Commercial And Pro Markets.