1. H.264 Standalone DVR 2. Support SATA HardDisk,Mouse,USB*2,network ... alarm H.264 main profile compression algorithm ideal for standalone DVR 4 channels Realtime full D1 recording or 2 ... , Ukrainian, Romanian, Brazilian, korean) SystemModel7004Main ProcessorHigh performance embedded microprocessor HI3515Operating SystemEmbedded L1NUXSystem ResourcesPentaplex function:live,recording,playback,backup ...