Ceramic Heating provides intense directional flow of heat thanks to the extra large grille for better circulation. Electronic temperature management senses and displays the room remperature. Just set your desired comfort level and this intelligent heater will maintain a constant temperature. Less fluctuation in room temperature means energy efficient operation. Body oscillates from side to side, allowing to warm every corner of the room. Adjustable thermostat lets you easily select and maintain your desired level of comfort. 2 heat flow setting lets you refulate the output of warm air. Choose the High setting for 1500 watts or the Low setting for 825 watt. Alternately, the fan can be operated without heat for summer ventilation. The anti-freeze setting automatically turns the heater on when the room temperature drops below 44 degrees F. The indicator light lets you know when the unit is in operation. Safety thermal cut-off is one more way to ensure product safety. If the unit becomes too warm, it automatically turns on.