CCTV DVR system H.264 compression,32ch video ystem input, embedded microprocessor CCTV DVR systemH.264 compression,24ch video input ... Email, Alarm Server, ARSPRemote OperationMonitor, PTZ control, Playback, System setting, File download, Log informationHard DiskHard Disk2 SATA port, ... without HDD) Professional CCTV DVR system EDR-9824 High performanc H 264 24 CH Stand alone DVR surveillance camera kit