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Works with compatible Nest thermostats ; the sensor tells the thermostat what the temperature is in the room where it’s placed and the thermostat uses that reading to control when the system turns on or off to keep that room the temperature you like.Compatible with select Nest thermostats. Including Nest Learning Thermostat, 3rd Gen and Nest Thermostat E.Wireless. Bluetooth Low Energy connection.Long battery life - Works on CR2 3V lithium battery (included) with up to 2-year lifetime.Up to 50 feet range. Allows easy placement..Product note: You can also check your system’s compatibility before purchasing a Nest thermostat with our online Nest Compatibility Checker
Put different temperature sensors in different rooms, like the baby’s room or living room