AMOCAM Apartment Video Intercom System, Wired 7 Inches Monitor Video Door Phone Doorbell for 3 Units Apartment… Price: $260,99 (as of 23/10/2021 10:54 PST- Details) & FREE Shipping.

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1 pcs outdoor camera and 3 pcs indoor monitor video intercom doorbell system,supporting 1 building which has 3 can both see and speak with all visitors.
This system comes with 5 RFID keyfobs(including added keyfob and deleted keyfob) , There are 2 ways to open the door lock using the RFID keyfobs or “unlock” button on the monitor.