WSK-MONITOR addressable, wireless monitor module is a standard-sized module that supervises either a Style D (Class A) or Style B (Class B) circuit of dry-contact input devices. It can be used for a variety of applications, such as monitoring conventional pull stations. This module is designed to supervise a circuit of dry-contact input devices on the fire alarm control panel (FACP). The WSK-MONITOR communicates with the FACP through a wireless mesh network to the WSK-WGI wireless gateway. Note: Must be used with Silent Knight 6000 Series addressable fire alarm control panels.