Designed for international use, this fan forced heater is the ideal solution for keeping the interior temperature of The TV Shield between 39° F to 48° F in cold climates. Simply mount the heater and plug it in. The heater has an integrated thermostat that will turn on at 39° F and turn off at 48° F. This heater does require at least 1 1/2" of space between the bottom of your TV and the enclosure in order to be installed. This heater features multiple levels of safety including PBT anti-flaming inner shell, thermo stability and no deformation.