The heater is made of steel and is coated with a protective oil during production. The ability to seamlessly switch between heating and fan modes to meet your precise needs. This versatile portable heater is IPX4 water-resistant enables you to maintain the perfect climate in a variety of environments such as greenhouses, garages, plant tents, sheds, RVs, etc. The compact body has an convenient handle, easy to move and can be placed anywhere in the room. Easy to control by 1 knob, set the power setting knob to the fan or heating position, set the thermostat to the desired temperature. It has a safety automatic overheating system, which automatically shuts down when the components of the portable heater overheat. Equipped with a digital thermostat that measures ambient temperature.