Honeywell RCH9310WF5003/W Lyric Wifi Thermostat The new Lyric is fully compatible with Apple HomeKit, Samsung SmartThings, and other ecosystems. Automatically activates when you are near by utilizing your smartphone's location. This assures maximum comfort for your arrival. Geofencing automatically regulates temperature when you're away. Fine Tune measures levels of indoor humidity and temperature that allows for increased comfort. Smart Cues will keep you informed of when a filter needs replacing and if and when service is required. This feature will even show you where to locate a trusted professional.