First Alert VISTAHEXPHW VISTA H Zone Expansion Module Spy camera Additional 9th button can be

Additional 9th button can be used to activate an optional MMF-300 monitor module installed inside the cabinet for applications such as HVAC shutdown

This is accomplished by minimizing frequencies caused by noise

Designed for covert surveillance

The C625TT is the most affordable way to get Proficient-quality stereo sound

This device accommodates up to 8 fixed internal SATA HDDs

First Alert VISTAHEXPHW VISTA H Zone Expansion Module Spy camera Additional 9th button can beProduct Overview The VISTAHEXPHW hardwired zone expansion module allows you to add 8 additional hardwired zones (16 with zone doubling) per module to a VISTAH system. The module has a built in tamper allowing detection and reporting if the front cover is removed and is supervised so if the wiring is cut a supervision alarm will result indicating the module may not be operational. The flexibility to mount the module on a surface wall or to a gang box