The Heated Type 4X polycarbonate enclosure offers a way to secure electronics outside and in exposed environments such as unheated warehouses, storage units, freezers, etc. The radiant heat plate is designed to prevent LCD displays from becoming sluggish or freezing and operates on 12, 16.5 or 24 volts. This enclosure includes three thermostats: a control thermostat, over-temperature safety thermostat and a low-temperature warning that can connect to a supervisory panel. It is molded of clear polycarbonate, making each protected unit easy to see and quickly identifiable. This model includes an exterior key lock, mounting hardware and gaskets; other models are available.