The PDM-1 plug-in style module is a “universal” control module. It features a familiar combination of a male power plug on the back, and a female power receptacle on the front of the enclosure. Devices that have a power cable plug directly into the PDM modules. Depending on which Croptiva main controller you are using with the PDM-1/PDM-2, there are up to 18 different “modes” that the user can select to use in order to control different types of devices within the growing space. The PDM-1 is a 120vac version module rated for up to 10-amps of power @ 120v.