SmartThermostat with voice control and SmartSensor | ecobee
Remote occupancy and temperature sensor | ecobee
ecobee Smart Sensor for Doors & Windows 2 Pack - Wifi Contact Sensor for Home Security, Energy Savings - Compatible with Smart Thermostats - Temperature sensor - Amazon.com
ecobee SmartSensor 2-Pack White EB-RSHM2PK-01 - Best Buy
Amazon.com: ecobee New Smart Thermostat Premium with Smart Sensor and Air Quality Monitor - Programmable Wifi Thermostat - Works with Siri, Alexa, Google Assistant