Transforming the thermostat with unparalleled energy savings, plus advancements never imagined possible to help take care of comfort, home health, and security needs. Included pre-paired SmartSensor eliminates hot and cold spots and adjusts the temperature in the rooms that matter most. An embedded smart speaker, built-in indoor air quality monitor, smoke alarm detection*, and geofencing technology to understand occupancy are just a few of the features that make saving energy just the beginning. Offers a 1- or 2-wire accessory support and integrates seamlessly with Alarm.com, Amazon Alexa, Google Assistant, Apple HomeKit, SmartThings, and IFTT.