Electric Infrared Heater, 3072/1536 BtuH Price For: Each Voltage: 120 Cord Type: 18/3 with Molded Plug Radiant Efficiency: 60% Element Type: Quartz Tube, Frosted NEMA Plug: 5-15P Includes: Power Cord Standards: ETL Indoor/Outdoor: Indoor Phase: 1 Infrared Electromagnetic Wave Type: Medium Wave Cord Length: 8 ft. Heat Pattern Coverage @ Floor (6 Ft.): 7 x 7 Heat Pattern Coverage @ Floor (8 Ft.): 9 x 9 Heat Pattern Coverage @ Floor (4 Ft.): 5 x 5 Mounting Type: Ceiling/Suspended Item: Electric Infrared Heater Beam Pattern: 90 Degrees Watts Delivered/Sq.-Ft. 8: 11 Watts Delivered/Sq.-Ft. 4: 36 Watts Delivered/Sq.-Ft. 6: 18 Watts: 900/450 Amps @ 1 Phase: 7.50/3.80 Number of Lamps: 2 Housing Material: Steel Finish: Brown Enamel Width: 5-3/4" Length: 16-1/2" Height: 4-3/4" BtuH Output: 3072/1536 Country of Origin (subject to change): United States