A thermostat is a device that senses the temperature of a room or area and automatically switches heating or cooling equipment on or off to maintain a selected temperature.
Something to note is that you'll need to set the sensor as the "main" sensor for your Cync to regulate temperature based on it's readings, which will then ignore temperatures read at the main unit. I'd...
Product Description
A white smart sensor that monitors room temperature and humidity, compatible with the CYNC Smart Thermostat.