This is Ecobee3 External Transformer. Watch the video below for a review of this thermostat. Or click the Buy With Amazon button to read more reviews or purchase Wi-Fi thermostat, which intuitively understands when to turn on your heating or cooling equipment based on your home’s unique energy profile, the weather outside, and thousands of other data points to make sure you’re comfortable at all times.
Thanks for checking out Ecobee3 External Transformer!