This item was designed to control heating/cooling systems according to your needs. In the first place, the unit connects the electric current when temperatures are below the selected point, in the second place, it connects the electric current when temperatures are higher than the consigned point.
The humidity controller allows you to control an extractor according to the selected relative humidity level. It has two functions: humidifier control mode and dehumidifier control mode, either of the two devices can be connected to the controller. It Is digital and displays the humidity effectively controling of the humidifier/dehumidifier that is currently connected.