PoE Doorbell Intercom B122

* On the 7" screen monitor, you can view and talk with visitors in real-time, review missed call history, browse through snapshots taken by outdoor stations then store them here. * Each apartment should have one mandatory main indoor station or up to 5 extension indoor stations. * All Configurations are done on the main indoor station. * Compatible with BCOM PoE Doorbell Intercom, add and view up to 6 IP cameras from the indoor station.