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833-1LM – Wireless Portable Intercom Add-on Unit

A single intercom that provides convenient and expandable communication for your home.
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  • Up to 1,000 foot range – no power connection required
  • Crystal clear, secure 900MHz digital communication
  • High-tech design and modern look blends in with today’s tech-friendly, contemporary homes
  • Advanced features include voice activation and monitor mode
  • Broadcast to all channels simultaneously or speak to one party with Secured Link
  • Single or multi-channel communication
  • Expandable with additional units (up to 12 per network) to enhance your home’s communication to multiple locations
  • Easy to use – installs in minutes
  • 2-year battery life; requires four AA batteries per unit (not included)
  • 1-year warranty
  • Compatible with the following LiftMaster® wireless intercoms: models 833-2LM, 831-2LM

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