Dyna-Glo Vent-Free Wall Heat Fan Improve whole room heating with this 2-in-1 mode fan! MANUAL MODE  Turn ON at the flick of a switch AUTO MODE - Fan automatically operates when the heater gets above 113 degrees Fahrenheit to ensure its blowing ONLY warm/hot air Can be used on wall heaters that are wall mounted or floor mounted Includes power supply (3' Cord Length) 2 Year Warranty