The IPC-HDBW2831E-S-S2 is an 8MP camera with a 2.8mm fixed lens that offers Ultra HD 4K images even in low-light conditions thanks to Starlight technology. It supports Smart H.265/H.264 encoding for bandwidth and storage savings, IR night vision up to 30m , and intelligent analytics with tripwire and intrusion detection. Built for outdoor environments, it is IP67 and IK10 certified against water, dust, and vandalism, making it ideal for professional surveillance in any context. Dahua
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IPC-HDBW2831E-S-S2 | ONVIF® POE IP CAMERA - 8 MP - STARLIGHT - VIDEO ANALYSIS

The Dahua IPC-HDBW2831E-S-S2 is an 8MP IP dome camera with a 2.8 mm fixed lens and Starlight technology, ideal for low-light environments. Thanks to Smart H.265 encoding, it offers clear 4K images with reduced bandwidth and storage consumption. IR night vision up to 30 m, intelligent video analytics (IVS), and IP67/IK10 protection make it perfect for outdoor installations and professional video surveillance.
Main specifications:
- 8MP Ultra HD resolution (3840×2160) at 15 fps
- 2.8 mm fixed optics – 125° diagonal viewing angle
- Starlight and IR LED technology up to 30 meters
- IVS: Tripwire and Intelligent Intrusion Detection
- Smart H.265/H.264 encoding for bandwidth and space savings
- IP67 and IK10 protection, resistant to water, dust and vandalism
- 12V DC or PoE power supply, SD support up to 256GB
Further details
✅ IVS (Intelligent Video Analysis):

Technical data sheet
Model | IPC-HDBW2831E-S |
Room | |
Image Sensor | 1/2.7” 8Megapixel progressive CMOS |
Effective Pixel | 3840 (H) × 2160 (V) |
ROM/RAM | 128MB/256MB |
Scanning System | Progressive |
Electronic Shutter Speed | Auto/Manual 1/3 s–1/100,000 s |
Min. Illumination |
0.009 Lux@F2.0 |
IR Distance | 30 m (98.43 ft) |
IR On/Off Control | Auto/Manual |
IR LEDs | 3 |
Pan/Tilt/Rotation Range | Pan: 0°–355° Tilt: 0°–65° Rotation: 0°–355° |
Lens | |
Lens Type | Fixed-focal |
Mount Type | M12 |
Focal Length | 2.8 mm |
Max. Openings | F2.0 |
Field of View | Pan 105° × Tilt 56° × Diagonal 125° |
Iris Type | Fixed |
Close Focus Distance | 1.0 m (3.3 ft) |
Smart Event | |
General IVS Analytics | Tripwire; intrusion |
Video | |
Compression | H.265; H.264; H.264B; MJPEG |
Smart Codec | Yes |
Video Frame Rate | Main stream: 3840 × 2160 (1 fps–15 fps) 2688 × 1520 (1fps–25/30fps) Substream: 704 × 576 (1 fps–25 fps) 704 × 480 (1 fps–30 fps) |
Stream Capability | 2 streams |
Resolution | 3840 × 2160 (3840 × 2160); 3072 × 2048 (3072 × 2048); 3072 ×1728 (3072 × 1728); 2592 × 1944 (2592 × 1944); 2688 × 1520 (2688 × 1520); 3M (2048 × 1536); 2304 × 1296 (2304 × 1296); 1080p (1920 × 1080); 1.3M (1280×960); 720p (1280 × 720); D1 (704 × 576/704 × 480); VGA (640 × 480); CIF (352 × 288/352 × 240) |
Bit Rate Control | CBR/VBR |
Video Bit Rate | H.264: 32 Kbps–8192 Kbps H.265: 12 Kbps–8192 Kbps |
Day/Night | Auto(ICR)/Color/B/W |
BLC | Yes |
HLC | Yes |
WDR | 120 dB |
White Balance | Auto/natural/street lamp/outdoor/manual/regional custom |
Gain Control | Auto/Manual |
Noise Reduction | 3D DNR |
Motion Detection | OFF/ON (4 areas, rectangular) |
Region of Interest (RoI) | Yes (4 areas) |
Smart IR | Yes |
Image Rotation | 0°/90°/180°/270° (Supports 90°/270° with 2688 × 1520 resolution and lower.) |
Mirror | Yes |
Privacy Masking | 4 areas |
Network | |
Network | RJ-45 (10/100Base-T) |
Protocol |
IPv4; IPv6; HTTP; HTTPS; TCP; UDP; ARP; RTP ; RTSP; RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS; QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; PPPoE; 802.1x; Good morning |
Interoperability | ONVIF®(Profile S/Profile G/Profile T); CGI; P2P; Milestones; Genetec |
User/Host | 20 |
Edge Storage |
Cloud; FTP; SFTP; Micro SD Card (support max. 256GB); NAS |
Browser | IE, Chrome, Firefox, Safari |
Management Software | Smart PSS; DSS; DMSS |
Mobile Phone | iOS, Android |
Certification | |
Certifications | CE-LVD: EN60950-1 CE-EMC: Electromagnetic Compatibility Directive 2014/30/EU FCC: 47 CFR FCC Part 15, Subpart B UL/CUL: UL60950-1 CAN/CSA C22.2 No.60950-1-07 |
Power | |
Power Supply | 12V DC/PoE (802.3af) |
Power Consumption | < 6.2W |
Environment | |
Operating Conditions | –40°C to +60°C (–40°F to +140°F)/less than ≤ 95% RH |
Storage Conditions | –40°C to +60°C (–40°F to +140°F) |
Protection Grade | IP67; IK10 |
Structure | |
Casing | Metal |
Dimensions | 81mm × Φ109.9mm (3.19" × Φ4.33") |
Net Weight | 0.350 kg (0.77 lb) |
Gross Weight | 0.491 kg (1.08 lb) |