ProCom Infrared Gas Wall Heater Manual variable heat setting control. Completely vent free with no outside duct or chimney needed. Unit is 99% efficient and has an ODS oxygen depletion sensor for safety. Plaque heaters operate just like the sun, providing direct, immediate warmth in the room by heating surfaces rather than the air. No electricity is required perfect for use during power outages. Push button piezo ignition offers easy start up. BTU Rating 6000 BTU, Fuel Type Natural Gas, Venting Type Vent-Free, Heat Type Radiant, Control Type Manual Control, Heating Area 150 Sq. Ft., Dimensions 14 In. W x 19 In. H x 6.4 In. D, Weight 12 Lb., Warranty 1 Year, Pkg Qty 1, Package Type Box This product can expose you to lead and lead compounds which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information visit www.P65Warnings.ca.gov