Processor Quad-core embedded processor Operating System Embedded LINUX Two-way Talk 1 channel Input, 1 channel Output, RCA User Interface GUI Video Output 1 HDMI, 1 VGA Video Resolution HDMI: 3840×2160, 1920×1080, 1280×1024, 1280×720, VGA: 1920×1080, 1280×1024, 1280×720 Channel 16 channel Bandwidth Incoming 200 Motion Detection MD Zones: 396(22×18). Video Loss supports Alarm Input 16 Channel, Low Level Effective, Green Terminal Interface Alarm Output 4 Channel, NO/NC Programmable, Green Terminal Interface Smart Phone iPhone, iPad, Android Phone Hard Disk 4 SATA ports, up to 24TB Trigger Events Recording, PTZ, Tour, Alarm out, Video Push, Email, FTP, Snapshot, Buzzer & Screen tips Raid Support No Recording Mode Manual, Schedule (Regular, Continuous), MD (Video detection: Motion Detection, Tampering, Video Loss), Stop Search Mode Time/Date, Alarm, MD & Exact search (accurate to second), Smart search Backup Mode USB Device/Network Playback Play, 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 Account 128 users Record Interval 1~120 min (default: 60 min), Pre-record: 1~30 sec, Post-record: 10~300 sec Ethernet 2 RJ-45 Ports Interface Ports 1 HDMI, 1 VGA, 2 USB(1USB 3.0), 1 RS485, 1 RS232 Protocols HTTP, HTTPS, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE, DDNS, FTP, IP Search, ONVIF 2.4, SDK, CGI Redunant Power No Power Supply AC 100~240V, 50/60 Hz Power Consumption <13.7W (Without HDD) Working Temp -10 ~+55°C / 10~90%RH / 86~106kpa Dimension 440mm x 411.1mm x 76mm Weight 4.7kg (without HDD)