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Sauna controller have CE.
Overheating protection is a temperature sensor up to 125 degrees.
There is no door sensor.
You can control from anywhere in the world as long as there is internet access, of course, you need a router at the location where the sauna driver is installed.
It can be built into the wall of the sauna, but it can be controlled via wi-fi, color-lit control panel -the color changes as the temperature rises.
Information is in the PDF manual.
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