| 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 |














