1.4ch Audio & Video 2.7 Inch TFT Monitor 3.Support 2T SATA HDD 4.Alarm Function ... -in RS-485 portSelectable packing time for recording filesBuilt in 7 inch TFT monitor, convenient for operationMulti-Language selectableEnglish, Portuguese, Russian, ... /45/60mins selectableHDD driveSupport 1 HDD Over 1000G, SATA,Monitor7 inch LCD monitorNetwork InterfaceRJ45, 10M/100MNetwork ProtocolSupport TCP/IP, UDP, ...