Dark Light
IPC2251-HN/HNB
Camera
Image Sensor 1/3’’ Progressive Scan CMOS
Pixels 2.0 Megapixel
Min. Illumination Color: 0.03Lux @ (F1.4, AGC ON)
B/W: 0Lux  with IR
Shutter Speed 1/10 ~ 1/10,000S
Day / Night Auto (ICR) / Color / B/W
Wide Dynamic Range Digital WDR
S/N Ratio >50dB
White Balance Auto / Manual
Gain Control Auto / Manual
Backlight Compensation Off / BLC / WDR / HLC
Defog Support
Lens
Mount Type Φ14
Auto Iris DC drive
Focal Length 2.8-12mm @ F1.4 motorized varifocal lens
Focus Control Manual / Semi-Automatic / Auto
Infrared
IR Distance 30 ~ 50m
IR Intensity SMART IR
Video
Compression Format H.265 / H.264 / MJPEG
Image Resolution Main stream: 1080p
Secondary stream: D1
Frame Rate Main stream: 1080p@30fps
Secondary stream: D1@30fps
Bitrate 32kbps ~ 16Mbps
Bitrate Control VBR / CBR
Multi Stream Support
Caption Date&Time / Alarm / Direction / Customized
Privacy Masking Up to 4 zones
Motion Detection Up to 4 zones
Video Freeze Support
ROI Support
Digital Noise Reduction 3D noise reduction
Digital Defog Support
Image Flip Flip / Mirror / Rotation 90°,180°,270° / Auto flip (Built-in G-sersor)
Audio
Compression Format G.711a / G.711u / ADPCM / G.722 / AAC-LC / G.722.1c / G.726
Bitrate 32kbps ~ 64kbps
Audio Function Bi-directional audio / AEC / Mixed audio recording / Dumb / Mute
Network
Network Protocol TCP/IP, UDP, HTTP, DHCP, DNS/DDNS, RTP/RTCP, RTSP, PPPoE, FTP, VSIP, UPnP, 802.1x, NAT, QoS, SMTP, IPv4, IPv6 (optional)
User Interface IPC Control
Max. User Access 10 Users (include 2 internal access)
Application Program Onvif, GB/T 28181-2011, API, CGI
ANR Support
Alarm
Alarm Triggers Motion detection / Shield area / Network disconnect / Disk full / Disk error
Alarm Events Alarm report / Recording / Alarm caption / Snapshot / External output / Email notice / Audio output
Interfaces
Ethernet 10/100M, RJ45 interface
Audio In / Out 2 x Line in / 1 x Line out
Control 1 x RS485
Alarm In / Out 1 x Input / 1 x Output
Video Out 1 x BNC, 1.0V [p-p] / 75Ω
Memory Slot TF card slot, support 128GB
Environmental
Operating Temperature -40°C ~ 70°C / -40°F ~ 158°F
Operating Humidity 10% ~ 95%
Protection level IP66
Electrical
Power 12V DC ± 10% / PoE (IEEE802.3af)
Power Consumption Max. 15W
Mechanical
Weight -HNB: 2.5Kg / 5.5lb (Gross Weight)
-HN: 2Kg / 4.4lb (Gross Weight)
Dimensions -HNB: 380mm×108.8mm×118.4mm / 14.96” x 4.28” x 4.66”
-HN: 210.2mm×108.8mm×91.5mm / 8.28” x 4.28” x 3.60”
Mounting Bracket -HNB: Bracket  included
-HN: Bracket not included