Ecobee's ecobee3 Smart Thermostat
Ecobee Inc.’s ecobee3 smart thermostat works over a home’s Wi-Fi network and can incorporate up to 32 remote sensors that can relay precise temperature measurements in individual rooms. Users interface with the system using the 3½-in. touchscreen on the device or through mobile apps or an Internet browser. The sensors are 1.7 in. by 1.7 in. by 2.2 in. and can be mounted on a wall or a stand.