This device is a digital battery thermostat for room temperature control with the possibility to choose different regulation modes and related set-point temperatures: Comfort, Reduction, Off/Antifreeze. The device can be used both in heating and cooling systems, and it is featured with a wide backlit display for the visualization of all the functional indications and the detected room temperature. The detection of the room temperature can be performed by the internal sensor or by a remote sensor (optional). Furthermore, the device offers the possibility to set the value of the antifreeze temperature and the Offset regulation on the internal and remote sensor.