Keep your printer safe. This cover features revolutionary technology that keeps your printer warm in cross dock and freezing environments. It encases the printer and has a thermal pad heater connected to a thermostat that begins regulating heat around the cover if the outside ambient temperature is below 40?????¬?F (4.4?????¬?C). The cover is also water, dust, and UV resistant, so your printer is protected as you go from a freezer into a wet or dry dusty environment.