This Stainless Steel Table Top Round Halogen Patio Heater runs on regular household electric current and is substantially less expensive to operate than propane patio heaters. This adaptable unit can be used indoors and outdoors and has three heat settings and introduces a new revolution in heating. Features: No UV rays, silent operation Stainless steel & aluminum construction 100% Heat production within seconds No wasteful heating of the air Weighted base About 1/10 the energy costs of LPG Heaters, No harmful emissions or toxic residuals, Standard 110V household current, 8ft non-retractable power cords, Protective aluminum reflector, Can be used indoors as well, ETL Approved