Stiebel Eltron CK 150-1 Trend Wall Mounted Electric Fan Heater Features: 1500W heating element is capable of outputting up to 5118 BTU and is perfect for heating up to 150 sq. ft. Includes a built-in thermostat with turn knob controls so you can dial in the perfect temperature for your comfort Supports control by external thermostat in rooms larger than 215 sq. ft. Glass-reinforced polycarbonate radial-type fan provides quiet comfort with a decibel rating of 49 dBA Features a built-in safety switch to disable heating in the event that unsafe temperatures are detected Frost protection setting maintains above-freezing temperatures in appropriately sized rooms when heater thermostat is set to minimum ETL listed for compliance with CSA and UL safety standards in the U.S. and Canada Covered by a 3-year limited manufacturer warranty Specifications: Wattage: 1500W BTU Output: 5118 Heating Area: 150 sq. ft. Fuel Type: Electric Auto Shut Off: Yes Depth: 5-1/8 Height: 15-1/4 Width: 10-7/8 Breaker Amperage: 15A /