Ecobee3 Lite Smart Thermostat with 2 Room Sensors - BlackEcobee3 Lite Smart Thermostat with 2 Room Sensors, Black version. Features: SAVE MONEY: Homeowners save up to 23% annually on heating or cooling costs plus ecobee pays for itself in under 2 years (compared to a hold of 72 degrees) COMES WITH ROOM SENSORS: Place them in the rooms that matter the most and have the temperature balanced throughout your whole home measuring both occupancy and temperature sensors, signal your ecobee Smart Thermostat to