ecobee Smart Thermostat Premium with Siri and Built-In Air Quality Monitor - Apple
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
ecobee Smart Sensor 2 Pack - Comfort, Security, Energy Savings - Smart Home - Compatible with ecobee Smart Thermostats for Home - Amazon.com
ecobee White Smart Room Sensor with Wi-Fi Compatibility at Lowes.com