16ch video input,4ch audio input,2 SATA HDD support ... ,dual encoding streams, 3G 16 channel Digital Video Recorder H.264 16ch video input,4ch audio input,2 SATA HDD support( ... backup,1 for mouse,1 option) Network InterfaceRJ-45 port(10/100M) Network FunctionTCP/IP,UDP,DHCP,IP Filter ... /10~90%RHDimension1U, 390mm×300mm×110mm(W×D×H)Weight3.5 KG(without HDD) 3G 16 channel Digital Video Recorder H.264