DeLonghi TRH0715 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, permanently sealed oil reservoir - never needs refilling. Patented thermal slots maximize heat flow yet maintain a low surface temperature Patented smart-snap wheels snap into place perfectly no assembly required Adjustable thermostat allows you to customize your heating needs Safe Heat features: thermal cutoff, anti-freeze setting to help prevent freezing pipes