... H.264 Standalone DVR 2. Support SATA HardDisk,Mouse,USB*2,network 3. Audio, RS485, IE browse,15 languages 4.HDD,alarm H.264 ... , Ukrainian, Romanian, Brazilian, korean) SystemModel7004Main ProcessorHigh performance embedded microprocessor HI3515Operating SystemEmbedded L1NUXSystem ResourcesPentaplex function:live,recording,playback,backup ... 58MM (highly)Weight2.38KG 4CH Full D1 Real Time H.264 CCTV DVR