1. H.264 Standalone DVR 2. Support SATA HardDisk,Mouse,USB*2,network 3. ... , Raid functionPowerful network software:built-in web server,multi-DVR client &SMS Networking access for remote live viewing,recording,playback, ... IP search / network alarm center functions, support WEB client, standalone client and SDKWith the sound system for the protection circuit, unique ... 4CH Full D1 Real Time H.264 CCTV DVR