All Orbis Heater critiques have showed that the tool functions an automatic function that shuts off the tool while it reaches 122F or after six hours. It won't overheat.● Stay heat and comfy on bloodless days With the PTC Ceramic Technology, the Orbis Heater. It distributes warm air frivolously within the room and blows it results easily. Ceramic heaters are famous for their performance and protection in heating. This heater will preserve you heat for the duration of iciness.