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-Battery Back-Up Power - Provides a battery source to permit system operation in the event of an AC power failure. -Battery Back-Up Charger - An optional unit that allows the VP -6124/VP -6124-E to supply power during a power outage. -Battery Box w/Batteries - Complete your UPS System with battery support. (For use with VP-6124 / VP-6124-UPS).
12 Volt, Analog Unfiltered - Used V-9970 Station Adapter only
-Door Plate Speakers - Surface or Flush Mount -Door Entry Controls - Analog -Accessories – Bridges, Backboxes, Horn Guards, Tones -School Intercoms
Talkback Doorplate Speaker -Surface Mount -Weather-Resistant -Call Button
Talkback Doorplate Speaker -Flush Mount -Vandal-Resistant -Weather-Resistant -Call Button
Single Zone -Provides Handsfree Talkback Communication Between an Entryway and a Telephone
Single Zone -Provides Talkback Door Entry Control for Handsfree Communication with Remote Call-in.