120V-60Hz, 1500W, 15 Amp Two heat settings - Low: 750W (2500 BTU) / High: 1500W (5000 BTU) Safety thermal cut-off Patented flickering flame effect and ember glow ETL approved Adjustable brightness and flame size Fan-only mode for four seasons of enjoyment Plugs into standard wall outlet Tested to heat 1500 cubic feet in only 24 minutes (14' x 14 'x 8') Uses about the same energy as a coffee maker Produces zero emissions or pollutants No combustion, glass remains cool to the touch