Manufacturer Name: Carrier Product Number: SYSTXCCRRS01 OEM Part Number: SYSTXCCRRS01 The Carrier SYSTXCCRRS01 Infinity Remote Room Temperature Sensor is a wireless device that monitors the temperature in a specific room and transmits that data to your compatible Carrier thermostat. This allows your thermostat to maintain consistent comfort throughout your entire home by taking i... https://www.partshnc.com/systxccrrs01-carrier-infinityremoteroomtempsensor