ProcessorDual-core embedded processor Operating SystemEmbedded LINUX Two-way Talk1 channel Input, 1 channel Output, RCA User InterfaceGUI Video Output1 HDMI, 1 VGA Video Resolution3840× 2160, 1920× 1080, 1280× 1024, 1280× 720, 1024× 768 Channel16 channel Bandwidth Incoming200 Motion DetectionMD Zones: 396(22×18). Video Losssupports Alarm Input4 Channel, Low Level Effective, Green Terminal Interface Alarm Output2 Channel, NO/NC Programmable, Green Terminal Interface Smart PhoneiPhone, iPad, Android Phone Hard Disk2 SATA III ports, up to 12TB Trigger EventsRecording, PTZ, Tour, Alarm out, Video Push, Email, FTP, Snapshot, Buzzer & Screen tips Recording ModeManual, Schedule (Regular, Continuous), MD (Video detection: Motion Detection, Tampering, Video Loss), Stop Search ModeTime/Date, Alarm, MD & Exact search (accurate to second), Smart search Backup ModeUSB Device/Network PlaybackPlay, Pause, Stop, Rewind, Fast play, Slow play, Next file, Previous file, Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection,Digital zoom Max User Account128 users Record Interval1~120 min (default: 60 min), Pre-record: 1~30 sec, Post-record: 10~300 sec Ethernet1 RJ-45 port (10/100M/1000Mbps) Interface Ports1 HDMI, 1 VGA, 2 USB Ports(1 USB2.0, 1 USB3.0) ProtocolsHTTP, HTTPS, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE,DDNS, FTP, IP Search, ONVIF 2.4, CGI Conformant Power SupplyDC12V/4A Power Consumption<6.9W (Without HDD) Working Temp-10 ~+55°C / 10~90%RH / 86~106kpa Dimension375mm x 281.5mm x 56mm Weight1.6kg (without HDD)