Sistema Videocitofono Cablato 7 Pollici per Appartamenti, 12 Unità, Touchscreen 1080P

Room-to-room intercom function. Compatible with all 12V electric locks. Wiring Setup : The monitor must be connected to the doorbell via 4 wires. Extend the distance between monitor and doorbell using RVV4 cable (4-core)/Cat5/Cat6 cable as needed.

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