ETL listed 1500-watt high setting, 900-watt low setting, and fan-only option Manual controls; self-regulating ceramic elemen ETL listed1500-watt high setting, 900-watt low setting, and fan-only optionManual controls; self-regulating ceramic element; quiet operationAutomatic overheat protection for safety; convenient carrying handleMeasures 6" X 7" x 9.2" Ceramic Heater with Adjustable Thermostat