Pulled from working system during upgrade The VoIP Control Module by Holovision VIO2 SIP Control Module is a door station, camera keypad, and faceplate designed for home security systems. It does not come with a battery included and is compatible with the ACE-HD147B (TDN) model. This product allows users to control their home security system through VoIP technology, providing a convenient and secure way to monitor and manage their entryway.
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