The BEC-1a Basic Environmental Controller is designed to control fans, air conditioners, dehumidifier and other equipment in gardens, greenhouses, grow rooms or other environments. The BEC-1a can operate in 3 different modes: cooling/dehumidification, cooling only or dehumidification only. The BEC-1a features a readily visible switch to alternate between its different settings, making it easy for the end user to differentiate which mode it is operating in. The easy to read dials make programming the BEC-1a uncomplicated. The (2) function LEDs let users know if the controller has main power, and whether the output is in operation.