H.264 CIF Realtime dvr recorders 1 SATA HDD, 2 USB 2.0 dual encoding streams smart phone monitoring RS485, TV, VGA output ... dome camera > Easy backup: USB devices, network download > Support 1 SATA HDD, 2 USB2.0 > Built-in web server, multi-DVR client ... , System setting, File download, Log informationHard DiskHard Disk1 SATA port, Max 2TB HDD supportedSpace OccupationAudio: 28.8MB/H, Video: 56~500MB/ ...