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MAIN PROCESSOR Quad-core embedded processor OPERATING SYSTEM Embedded LINUX VIDEO
INPUTS
HEN081*4: 8 Channels IP HEN161*4: 16 Channels IP HEN321*4: 32 Channels IP
AUDIO
AUDIO INPUT/OUTPUT
1 Channel Input/1 Channel Output, RCA TWO-WAY COMMUNICATION Supported DISPLAY
INTERFACE
1 HDMI (up to 3840 × 2160);  1 VGA
RESOLUTION
3840 × 2160; 1920 × 1080; 1280 × 1024; 1280 × 720;  1024 × 768
DISPLAY SPLIT
HEN081*4: 1/4/8/9 HEN161*4: 1/4/8/9/16 HEN321*4: 1/4/8/9/16/25/36
OSD
Camera title; Time; Video loss; Camera lock; Motion detection; Recording
FISHEYE VIDEO DE-WARPING
Supported in local and web user interface
RECORDING COMPRESSION H.265/H.264/MJPEG/MPEG4
RESOLUTION
12 MP (4000 × 3000); 8 MP (3840 × 2160); 6 MP (3072 × 2048); 5 MP (2560 × 1920); 4 MP (2560 × 1440); 3 MP (2048 × 1520); 1080p (1920 × 1080); 720p (1280 × 720); D1 (704 × 576 / 704 × 480); CIF (352 × 288 / 352 × 240) FRAME RATE 1–15 fps (12 MP and 8 MP); 1–25/30 fps (rest of the resolutions) RECORD BIT RATE 320 Mbps BIT RATE1 16 kbps ~ 20 Mbps, per channel
RECORDING MODE
Schedule (Regular/Continuous, Motion Detection, Alarm); Manual; Stop RECORDING INTERVAL 1 to 120 minutes (default 60 min) PRE-EVENT RECORDING INTERVAL 1 to 30 seconds POST-EVENT RECORDING INTERVAL 10 to 300 seconds VIDEO DETECTION AND ALARMS
TRIGGER EVENTS
Recording; PTZ; Tour; Alarm; Video Push; Email; FTP; Snapshot; Buzzer
VIDEO DETECTION
Motion Detection—MD Zones: 396 (22 × 18); Video Loss; Camera Blank ALARM INPUT 4 Channels RELAY OUTPUT 2 Channels STORAGE INTERNAL HDD 2 SATA ports, up to 16 TB
PLAYBACK AND BACKUP
SYNC PLAYBACK
1/4/8/16 (maximum 4-ch @ 8 MP, 8-ch @ 4 MP, or 16-ch @ 1080p simultaneous playback)
SEARCH MODE
Time/Date; Alarm; Motion Detection (MD); Exact Search (accurate to a second); Smart Search
PLAYBACK FUNCTION
Play; Pause; Stop; Rewind; Fast play; Slow play; Next File; Previous File; Next Camera; Previous Camera; Full Screen; Repeat; Shuffle; Backup selection; Digital Zoom
BACKUP MODE  COMPATIBILITY
USB Device; Network; Internal SATA burner
NETWORK ETHERNET 1 RJ-45 port (10/100/1000 Mbps)
POE
HEN081*4: 8 ports (802.3af/at) HEN161*4: 16 ports (802.3af/at) HEN321*4: 16 ports (802.3af/at)
SUPPORTED PROTOCOLS2
HTTP, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE, DDNS, FTP, Alarm Server, IP Search, P2P MAXIMUM NUMBER OF USERS 128 users NETWORK THROUGHPUT Input 320 Mbps; Output 320 Mbps SMART PHONE COMPATIBILITY iPhone; iPad; Android AUXILIARY INTERFACE USB PORTS 2 (1 rear USB3.0; 1 front USB2.0)
RS232
1 port (for PC communications and keyboard)
ELECTRICAL POWER SUPPLY Single, 100~240 VAC, 50/60 Hz
POWER CONSUMPTION
HEN081*4: 15.2 W max (no HDD) HEN161*4: 14.5 W max (no HDD) HEN321*4: 14.5 W max (no HDD) PoE: 25.5 W for a single port  (130 W total)
ENVIRONMENTAL OPERATING TEMPERATURE –10°C to 55°C (14°F to 131°F) RELATIVE HUMIDITY 10% to 90%, non-condensing
STORAGE TEMPERATURE
–20°C to 70°C (–4°F to 158°F), 0% to 90% relative humidity