Honeywell Lyric Thermostat, Wi-Fi, Contractor Version, Works with Alexa Works with Alexa for voice control (Alexa device sold separately). Smart Cues - The Smart Cues feature sends you maintenance notifications and extreme conditions alerts to help extend the life of your HVAC system Geofencing - Using your smartphone location, Lyric adjusts the temperature as you come and go for comfort at home and savings when you're away Fine Tune - Considers both indoor and outdoor temperature and humidity to reach set point, ensuring 72 Degree really feels like 72 Degree Fine Tune - Considers both indoor and outdoor temperature and humidity to reach set point, ensuring 72 Degree really feels like 72 Degree Works with Amazon Alexa for voice control (hub required, Alexa device and hub sold separately) Smart Cues - The Smart Cues feature sends you maintenance notifications and extreme conditions alerts to help extend the life of your HVAC system Geofencing - Using your smartphone location, Lyric adjusts the temperature as you come and go for comfort at home and savings when you're away Works with Amazon Alexa for voice control (hub required, Alexa device and hub sold separately) Smart Cues - The Smart Cues feature sends you maintenance notifications and extreme conditions alerts to help extend the life of your HVAC system Geofencing - Using your smartphone location, Lyric adjusts the temperature as you come and go for comfort at home and savings when you're away Fine Tune - Considers both indoor and outdoor temperature and humidity to reach set point, ensuring 72 Degree really feels like 72 Degree Control on the go with the Lyric mobile app