dhtek intelligent analytics security dvr/nvr, 24ch (16 channel dvr & 8 channel onvif nvr) dahua oem support up to 5mp tvi/ahd/cvi/960h security cameras and up to 5mp onvif ip network security cameraMax Image Resolution5MP System CompressionH.264+/H.264 Main ProcessorEmbedded Processor Video Interface1 HDMI, 1 VGA Video Resolution19201080, 12801024, 1280720, 1024768 Multi-Screen Display1/4/8/9/16 (IP extension mode: disabled), 1/4/8/9/16/25 (IP extension mode: enabled) HDCVI Camera Input4MP, 1080P@25/30fps, 720P@50/60fps, 720P@25/30fps IPC In4+2/8+4/16+8 Channel, each channel up to 5MP OSDYes Audio In1 Audio Out1 2 Way AudioReuse audio in/out, RCA Recording Resolution4M-N, 1080P, 1080N, 720P, 960H, D1, HD1, BCIF, CIF, QCIF Recording Frame Rate Main stream: 4M-N/1080P(1~15fps); 1080N/720P/960H/D1/HD1/BCIF/CIF/QCIF(1~25/30fps) Sub steram: D1/CIF/QCIF(1~15fps) Bit Rate1Kbps ~ 6144Kbps Per Channel Recording ModeManual, Schedule (Regular, Continuous), MD (Video detection: Motion Detection, Video Loss, Tampering), Alarm, Stop Record Interval1 ~ 60 min (default: 60 min), Pre-record: 1 ~ 30 sec, Post-record: 10 ~ 300 sec Playback Channels1/4/9/16 Playback SearchTime /Date, Alarm, MD and Exact Search (accurate to second) Playback FunctionPlay, Pause, Stop, Rewind, Fast play, Slow Play, Next File, Previous File, Next Camera, Previous Camera, Full Screen, Repeat, Shuffle, Backup Selection, Digital Zoom Backup ModeUSB Device/Network Trigger EventsRecording, PTZ, Tour, Video Push, Email, FTP, Snapshot, Buzzer and Screen Tips Video DetectionMotion Detection, MD Zones: 396 (22 x 18), Video Loss, Tampering and Diagnosis Alarm InN/A Alarm Relay OutputN/A Network Interface1 RJ-45 Port (1000M) Network FunctionHTTP, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE, DDNS, FTP, Alarm Server, P2P, IP Search (Support Dahua IP camera, DVR, NVS, etc.) Network Max. Users128 InteroperabilityONVIF 2.42, CGI Conformant MobileiPhone, Android RS4851 Port, for PTZ Control USB2 USB Ports (1 USB 2.0, 1 USB 3.0) Power SupplyDC12V/3A Power Consumption