Honeywell RCHTSENSOR-1PK/E Smart Room Sensor, For T9/T10 Honeywell Home Thermostats | Honeywell Store
Honeywell Remote Indoor Temperature Sensor | For VisionPRO and VisionPRO IAQ Thermostats | C7189U1005/U | Refrigerative Supply
Honeywell Home on Twitter: "@ErikMRubin If it continues to display the failed sensor error message, then we recommend exchanging the thermostat at the place of purchase. -Charles" / Twitter
This motion sensor thermostat in the hotel room that causes the air conditioning to turn off while you sleep : r/assholedesign