System function characteristic:2.1.1 management center machineWe call households, and households.The monitoring of each unit doorI open the door unit2.1.2 unit door hostYou can call the extension, and household video intercomYou can password lock, ID\IC card lockYou can call management center, and video calls2.1.3 indoor extensionThe call center management machineThe monitoring unit doorThe host video calls, unlockThe tenants and tenants can call each other, call
System function characteristic:2.1.1 management center machineWe call households, and households.The monitoring of each unit doorI open the door unit2.1.2 unit door hostYou can call the extension, and household video intercomYou can password lock, ID\IC card lockYou can call management center, and video calls2.1.3 indoor extensionThe call center management machineThe monitoring unit doorThe host video calls, unlockThe tenants and tenants can call each other, call
System function characteristic:2.1.1 management center machineWe call households, and households.The monitoring of each unit doorI open the door unit2.1.2 unit door hostYou can call the extension, and household video intercomYou can password lock, ID\IC card lockYou can call management center, and video calls2.1.3 indoor extensionThe call center management machineThe monitoring unit doorThe host video calls, unlockThe tenants and tenants can call each other, call
System function characteristic:2.1.1 management center machineWe call households, and households.The monitoring of each unit doorI open the door unit2.1.2 unit door hostYou can call the extension, and household video intercomYou can password lock, ID\IC card lockYou can call management center, and video calls2.1.3 indoor extensionThe call center management machineThe monitoring unit doorThe host video calls, unlockThe tenants and tenants can call each other, call
System function characteristic:2.1.1 management center machineWe call households, and households.The monitoring of each unit doorI open the door unit2.1.2 unit door hostYou can call the extension, and household video intercomYou can password lock, ID\IC card lockYou can call management center, and video calls2.1.3 indoor extensionThe call center management machineThe monitoring unit doorThe host video calls, unlockThe tenants and tenants can call each other, call
System function characteristic:2.1.1 management center machineWe call households, and households.The monitoring of each unit doorI open the door unit2.1.2 unit door hostYou can call the extension, and household video intercomYou can password lock, ID\IC card lockYou can call management center, and video calls2.1.3 indoor extensionThe call center management machineThe monitoring unit doorThe host video calls, unlockThe tenants and tenants can call each other, call