TCP/IP Four Door Access Control System,Doorcontrol Controller, Size: 218mm long * 106mm wide color:green Powersupply: 12VDC TCP/IP Four Door Access Control System, Doorcontrol Controller,entrance guard Performance parameters:Door no.: 4 Card Reader connected: 4User registration card qty: 20,000 cards PermissionsRecord the number of offline storage: 100,000 recordsCommunication: TCP/IPSupporting ...