H.264 SVR7300 Video Compression Stand Alone DVR Support VGA output, monitor output Linux RTOS,SATA HDD supported ... D1 preview resolution, SATA HDD supported, USB flash drive, DVD-RW drive, remote backup supported, mouse operation and IR controller operation ... D1 preview resolution, SATA HDD supported, USB flash drive, DVD-RW drive, remote backup supported, mouse operation and IR controller operation ...