?1500 watts of heating power, silent operation, best for medium to large rooms that need constant heat in the colder seasons. ?High quality, patented steel assembly - permanently sealed oil reservoir - never needs refilling. ?Adjustable thermostat and three heat settings allows you to customize your heating needs. ?Oil filled radiant heater with multiple smart functions to highly increase your life quality. ?Always be ready to respond within a 24-hour time frame. 30-day money back, 12-month replacement after sale service and lifetime support.