With built-in Alexa voice service, Ecobee4 can listen to your voice commands and respond. Have it set a timer, read you the news, adjust the temperature, and more. It also comes with a room sensor that helps manage hot and cold spots in your home, delivering comfort in the rooms that matter. And because they can detect occupancy, they can automatically enable the right mode on your Ecobee4 for energy savings when it senses no one is home. Comes with built-in Alexa Voice Service, so you can ask your ecobee to set a timer, read you the news, adjust the temperature, and more. With Far-field voice technology your ecobee4 can hear you from across the room. Room sensors help manage hot and cold spots in your home, delivering comfort to the rooms that matter most. Easily adjust temperature and comfort settings from anywhere using your Android and iOS devices. Also works with Apple HomeKit, Samsung SmartThings, IFTTT and more Save an average 23% on heating and cooling costs each year. Learn more at ecobee. com/savings. Fast, easy installation you can do yourself. Use our handy step-by-step guide right on your phone.