13Parameters HCVR7104C-S2HDMI/ VGA video output at the same time.Loop Output N/AMatrix Output N/AAudio Port Audio Input 1-channel RCA port.Audio Output 1-channel RCA port.BidirectionalTalk InputReuse the audio input/output port.Record Record Mode Schedule record/manual record/MD record/Alarm recordRecordPlaybackMax 4-channel playbackBackup Mode HDD, burner, USB device, network backupAlarm Alarm Input N/AAlarm Output N/AHDD HDD Port 1 SATA port,does not support eSATA portOne HDD Space 4TCommunicationPortNetwork 1 RJ45 port, 100Mbps Ethernet portCommunication N/AUSB 2 USB portsOthers Power DC12VPowerConsumption≤15W(With power adapter, no HDD)WorkingTemperature-10℃-+55℃WorkingHumidity10%~90%Dimensions SMART 1U case,270mm(W)×205mm(D)×41mm(H)Weight 1.25KG(No HDD)InstallationModeDesk1.3.7 HCVR2108C-S2 SeriesParameters HCVR2108C-S2System Main Processor Industrial embedded micro controllerOS Embedded LINUXVideoParametersVideo EncodeStandardH.264EncodeResolution720P(1~15fps) /960H/D1/HD1/2CIF/CIF/QCIFVideo FrameRateHDCVI:1~12f/sCVBS:1~20f/s(PAL);1~20f/s(NTSC)Video Bit Rate 1024Kbps-4096Kbps,