DeLonghi DR18TQ Oil-Filled Radiator Heater Permanently sealed oil-filled radiator heater provides stable and efficient heating Vertical hot air tunnels maximize radiant heat flow; 7 variable heat settings Automatic anti-freeze when temperature reaches 44 degrees F; adjustable thermostat 24-hour programmable timer with 96 settings; extra-large back wheels and carry handle Measures 27-3/4 by 20-7/8 by 10-1/6 inches