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

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You can use the EM-HD-NCP to “fool” your laptop into sensing that it is connected to a monitor regardless of which input is selected on the HDMI switcher

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Transformerless preamplifier circuitry improves linearity across the full frequency range

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