... PTZ,Audio,Network,VGA,HDMI -SATA HDD up to 2TB -Up to 720P resolution 4 channel HD DVR Features: 1 ... playback video through IE; 6. Recording Resolution up to 720P. Specification: BCS-DVR9634DSystemMain prosessorHi3520*2pcsOperation SystemLinuxVideoVideo CompressionH. ... Buzzer, PTZ control, Email, IO outputNetworkNetwork Port1 RJ45 10M/100M Ethernet port Network FunctionsTCP/IP,UDP,DHCP,DNS,DDNS,PPPoE, ...