Dimplex DF3215 Multi-Fire 32-Inch Plug-In Firebox, Black Thermostat control: Includes a thermostat controlled fan-forced heater to ensure consistent comfort throughout your home. Multi-flame: The multi-flame technology allows you to adjust the speed of the flame to create the perfect atmosphere to suit your mood or room. Interior light controls: Adjust the interior lights within the firebox in order to enhance the visibility of the logs and create ambiance. Safe: With no flame heat or emission and a glass front that remains cool to the touch; our fireplaces are the safe choice for your home.