10Model Parameters HCVR7204A-S2 HCVR7208A-S2Audio Port Audio Input 4-ch，RCA port, audio via coaxial cableAudio Output 1-ch，RCA portBidirectionalTalk InputSupport（Reuse the audio port）Record Record Mode Auto record, manual record, motion detect record, alarm recordRecordPlaybackMax 4-ch playback Max 8-ch playbackBackup Mode HDD, burner, flash disk, network backup.Alarm Alarm Input 8-ch alarm input 16-ch alarm inputAlarm Output 3-ch alarm outputHDD HDD Port 2 SATA ports. Does not support eSATA port.Space/HDD 4TCommunicationPortNetwork 1 RJ45 port, 100Mbps Ethernet portCommunication RS485 portUSB 2 USB portsOther Power DC12V/4A DC12V/5APowerConsumption≤30W（No HDD）WorkingTemperature-10℃－＋55℃WorkingHumidity10%~90%Dimension 1U case，375mm（W）×280mm（D）×50mm（H）Weight 1.5-2.5kg（No HDD）InstallationModeDesk installation1.3.7 HCVR42XXA-S3/4216AN-S3 SeriesModel Parameters HCVR4204A-S3 HCVR4208A-S3 HCVR4216A-S3 HCVR4216AN-S3System Main Processor High-performance industrial embedded micro controllerOS Embedded LINUXVideo Video EncodeStandardH.264EncodeResolution1080N/720P/960H/D1/HD1/2CIF/CIF/1080N@12f/720P@15f/960H/D1/HD1/2CIF/CIFVideo FrameRatePAL:1~25f/s；NTSC：1~30f/sVideo Bit Rate 32Kbps～4096Kbps，For 720P:default value is 1.5Mbps，max value is 4Mbps.For 1080P:default value is 1.5Mbps，max value is 4Mbps.
