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5 Units Apartment Doorbell, 7" LCD Monitor Wired Door RFID Multi-family Doorbell Home Apartment Video Intercom System, Monitor Control Unlocking, 2-Way Audio for Home Apartment, 1 doorbell + 5 monitor
- Protocol: wired or wire
- Type: Smart Doorbell
- Model #: SY816HID5-New
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3 Units Apartment Doorbell, 7" LCD Monitor Wired Door RFID Multi-family Doorbell Home Apartment Video Intercom System, 2-Way Audio for Home Apartment, Monitor Control Unlocking,1 doorbell + 6 monitor
- Protocol: wired or wire
- Type: Smart Doorbell
- Model #: SY816HID6-New
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4 Units Apartment Doorbell, 7" LCD Monitor Wired Door RFID Multi-family Doorbell Home Apartment Video Intercom System, 2-Way Audio for Home Apartment, Monitor Control Unlocking, 1 doorbell + 4 monitor
- Protocol: wired or wire
- Type: Smart Doorbell
- Model #: SY816HID4-New
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3 Units Apartment Doorbell, 7" LCD Monitor Wired Door RFID Multi-family Doorbell Home Apartment Video Intercom System, 2-Way Audio for Home Apartment, Monitor Control Unlocking,1 doorbell + 8 monitor
- Protocol: wired or wire
- Type: Smart Doorbell
- Model #: SY816HID8-New
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9 Units Apartment Doorbell, 7" LCD Monitor Wired Door RFID Multi-family Doorbell Home Apartment Video Intercom System, 2-Way Audio for Home Apartment, Monitor Control Unlocking,1 doorbell + 9 monitor
- Protocol: wired or wire
- Type: Smart Doorbell
- Model #: SY816HID9-New
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3 Units Apartment Doorbell, 7" LCD Monitor Wired Door RFID Multi-family Doorbell Home Apartment Video Intercom System, 2-Way Audio for Home Apartment, Monitor Control Unlocking,1 doorbell + 10 monitor
- Protocol: wired or wire
- Type: Smart Doorbell
- Model #: SY816HID10-New
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3 Units Apartment Doorbell, 7" LCD Monitor Wired Door RFID Multi-family Doorbell Home Apartment Video Intercom System, 2-Way Audio for Home Apartment, Monitor Control Unlocking,1 doorbell + 11 monitor
- Protocol: wired or wire
- Type: Smart Doorbell
- Model #: SY816HID11-New
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3 Units Apartment Doorbell, 7" LCD Monitor Wired Door RFID Multi-family Doorbell Home Apartment Video Intercom System, 2-Way Audio for Home Apartment, Monitor Control Unlocking,1 doorbell + 12 monitor
- Protocol: wired or wire
- Type: Smart Doorbell
- Model #: SY816HID12-New
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3 Units Apartment Doorbell, 7" LCD Monitor Wired Door RFID Multi-family Doorbell Home Apartment Video Intercom System, 2-Way Audio for Home Apartment, Monitor Control Unlocking, 1 doorbell + 3 monitor
- Protocol: wired or wire
- Type: Smart Doorbell
- Model #: SY816HID3-New