Mains-independent, battery-operated room temperature controller featuring user-friendly operation, easy-to-read display and large numbers Self-learning two-position controller with PID response (patented) Operating mode selection: 7-day automatic mode with max. 3 heating or cooling phases Continuous comfort mode Continuous energy saving mode Protection against frost or overheating Exception day (24 hour operation) with max. 3 heating or cooling phases A separate temperature setpoint can be entered in automatic mode and for the exception day for each heating or cooling phase Control of a heating zone Possibility to control cooling equipment