Brand new On-screen control SENSORS: Temperature; Humidity, Proximity, Ambient light COMPATABILITY: Works with common heating & cooling systems, including conventional forced air, radiant, and heat pump. Up to 3 stages of heating. Up to 2 stages of cooling. Supports a wide range of fuels including natural gas, propane, electric, fuel oil, and geothermal. Built-in fan timer. CONNECTIVITY REQUIREMENTS: Z-Wave