This product is out of production and has been replaced by: C63 thermostatAdjustable scale range from 5 to 30 ° CIntervention differential 0. 5 KThermal gradient 4 ° K / hDegree of protection IP20Sensitive element with semiconductor sensorIntermittent acoustic signal in case of insufficient battery charge. SUMMER-OFF – WINTER switch for heating or air conditioning control.