The Lynx Infrared Outdoor Patio Heater features a robust commercial design, all 304 stainless steel construction, innovative technology that reduces the center hot spot and distributes heat more evenly and polished double surface reflector that intensifies heat output. Specially designed for improved wind resistance. This Lynx patio heater also features direct spark ignition with auto re-light, remote wall switch operation and electronic hi/lo heat selection. Two stage output from 53000 BTU to 46000 BTU provides maximum turn-down capability. Certified for indoor use (Natural Gas Model Only). Heat up to a 24 foot radius. Outdoor patio heaters are perfect additions to any home to keep your outdoor patio warm. CSA Certified.