DeLonghi EW7707CM Safe Heat 1500W ComforTemp Portable Oil-Filled Radiator 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. ComforTemp Button Use this feature to cut your energy costs by automatically maintaining the optimal room temperature. Adjustable thermostat and three heat settings allows you to customize your heating needs Patented smart-snap wheels snap into place perfectly no assembly required Patented thermal slots maximize heat flow yet maintain a low surface temperature Safe Heat features: thermal cutoff, anti-freeze setting to help prevent freezing pipes