... H.264 Standalone DVR 2. Support SATA HardDisk,Mouse,USB*2,network 3. Audio, RS485, IE browse,15 languages 4.HDD,alarm H.264 ... faulty alarm, Raid functionPowerful network software:built-in web server,multi-DVR client &SMS Networking ... Email alarm / IP right management / IP search / network alarm center functions, support WEB client, standalone client and ... 38KG 4CH Full D1 Real Time H.264 CCTV DVR