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 | eco function saves energy by automatically adjusting heat and power settings for the most comfortable and economical warmth | patented thermal slots maximize heat flow yet maintain a low surface temperature | patented smart-snap wheels snap into place perfectly no assembly required | provide your family with comfortable, quiet full room warmth with the de’longhi radia s radiant heater, model trrs0715e. The efficient radiant heater will provide consistent and gentle heat for your most used rooms – with no hot or cool spots. It has a 24-hour programmable timer, adjustable thermostat and patented smart snap wheels, so you decide when and where you want that extra comfort.