The IPC-HDW21249T-S-IL is a 12MP camera with a 2.8mm fixed lens. It is an advanced AI video surveillance solution, ideal for ensuring clear images even in low-light conditions thanks to Starlight and Smart Dual Light technology. It supports intelligent functions such as human and vehicle recognition, perimeter protection, and SMD Plus motion detection, reducing false alarms. With H.265 compression, a built-in microphone, and IP67 protection, it offers reliability in outdoor environments, while the wide viewing angle (112°) ensures optimal coverage for professional security. Dahua
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IPC-HDW21249T-S-IL | 12MP IP CAMERA WITH 2.8mm FIXED LENS - PERIMETER PROTECTION - SMART DUAL LIGHT

The Dahua IPC-HDW21249T-S-IL 12MP camera with a 2.8mm fixed lens offers high-definition images thanks to its CMOS sensor and Starlight technology, ensuring clear vision even in low-light conditions. With advanced AI features such as human and vehicle detection, perimeter protection, and SMD Plus, it reduces false alarms and ensures professional security. Equipped with Smart Dual Light, H.265 compression, and IP67 protection, it is the ideal choice for indoor and outdoor installations.
Main specifications:
- 12MP CMOS 1/2.5" sensor
- 2.8 mm fixed optics with 112° viewing angle
- Smart Dual Light and Starlight technology
- AI: People/Vehicle Detection, SMD Plus, Perimeter Protection
- Built-in microphone, MicroSD slot up to 256GB
- IP67 certification for outdoor use
Further details
✅ Smart Dual Light:
✅ Network Camera:

Technical data sheet
MODEL | IPC-HDW21249T-S-IL |
Room | |
Image Sensor | 1/2.5" CMOS |
Max. Resolution | 4480 (H) × 2512 (V) |
ROM | 128 MB |
RAM | 256 MB |
Scanning System | Progressive |
Electronic Shutter Speed | Auto/Manual 1/3 s–1/100000 s |
Min. Illumination | 0.008 lux@F1.6 (Color, 30 IRE) 0.0008 lux@F1.6 (B/W, 30 IRE) 0 lux (Illuminator on) |
S/N Ratio | > 56 dB |
Illumination Distance | Up to 30 m (98.43 ft) (IR) Up to 30 m (98.43 ft) (Warm light) |
Illuminator On/Off Control | Auto/Manual |
Illuminator Number | 2 (Multi-core (IR + warm) light) |
Pan/Tilt/Rotation Range | Pan: 0°–360° Tilt: 0°–78° Rotation: 0°–360° |
Lens | |
Lens Type | Fixed-focal |
Mount Type | M12 |
Focal Length | 2.8 mm |
Max. Openings | F1.6 |
Field of View | H: 112°; V: 58°; D: 136° |
Iris Type | Fixed |
Close Focus Distance | 3.5 m (11.48 ft) |
Intelligence | |
IVS (Perimeter Protection) | Intrusion, tripwire (the two functions support the classification and accurate detection of vehicle and human) |
SMD | SMD Plus |
Smart Search | Work together with Smart NVR to perform refine intelligent search, event extraction and merging to event videos |
Video | |
Video Compression | H.265; H.264; H.264H; H.264B; MJPEG (Only supported by the sub stream) |
Smart Codec | Smart H.265+/ Smart H.264+ |
Video Frame Rate | Main stream: 4480 × 2512@(1–15 fps)/3072 × 1728@(1–25/30 fps) sub stream: 704 × 576@(1–25 fps)/704 × 480@(1–30 fps) *The values above are the max. frame rates of each stream; for multiple streams, the values will be subjected to the total encoding capacity |
Streaming Capability | 2 stream |
Resolution | 12M (4480 × 2512); 8M (3840 × 2160); 6M (3072 × 2048); 5M (3072 × 1728/2880 × 1620); 4M (2688 × 1520); 3M (2048 × 1536/2304 × 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 | DWDR |
White Balance | Auto/natural/street lamp/outdoor/manual/regional custom |
Gain Control | Manual/Auto |
Noise Reduction | 3D NR |
Motion Detection | OFF/ON (4 areas, rectangular) |
Region of Interest (RoI) | Yes (4 areas) |
Smart Lighting | Yes |
Smart Dual Light | Yes |
Image Rotation | 0°/90°/180°/270° (Support 90°/270° with 2688 × 1520 resolution and lower) |
Mirror | Yes |
Privacy Masking | 4 areas |
LDC | Yes |
Audio | |
Built-in MIC | Yes, built-in Mic |
Audio Compression | G.711a; G.711Mu; PCM; G.726 |
Alarm | |
Alarm Event | No SD card; SD card full; SD card error; network disconnection; IP conflict; illegal access; motion detection; video tampering; tripwire; intrusion; audio detection; voltage detection; SMD; security exception |
Network | |
Network | RJ-45 (10/100 Base-T) |
SDK and API | Yes |
Protocol | IPv4; IPv6; HTTP; TCP; UDP; ARP; RTP; RTSP; RTCP; RTMP; SMTP; FTP; SFTP; DHCP; DNS; DDNS; QoS; UPnP; NTP; Multicast; ICMP; IGMP; NFS; PPPoE; P2P; Bonjour; Auto Registration |
Interoperability | ONVIF (Profile S & Profile G & Profile T); CGI |
User/Host | 20 (Total bandwidth: 48 M) |
Storage | FTP; SFTP; Micro SD card (support max. 256GB); NAS |
Browser | IE Chrome Firefox |
Management Software | Smart PSS Lite; DSS; DMSS |
Mobile Client | Android; iOS |
Security | Digest;WSSE;Account lockout;Security logs;IP/MAC filtering;Generation and importing of X.509 certification;syslog;HTTPS;802.1x;Trusted boot;Trusted execution;Trusted upgrade;Session security;Security warning |
Certification | |
Certifications | CE-LVD: EN62368-1 CE-EMC: Electromagnetic Compatibility Directive 2014/30/EU |
Power | |
Power Supply | 12 VDC (±30%); PoE (802.3af) |
Power Consumption | Basic: 2.3W (12VDC); 3.0W (PoE); Max.: 6.2W (12VDC); 7.2 W (PoE) (H.265 + intelligence on + illuminator intensity) |
Environment | |
Operating Temperature | –40 °C to +60 °C (–40 °F to +140 °F) |
Operating Humidity | ≤95% (RH), non-condensing |
Strorage Temperature | –40 °C to +60 °C (–40 °F to +140 °F) |
Storage Humidity | ≤95% (RH), non-condensing |
Protection | IP67 |
Structure | |
Casing Material | Inner core: Metal; Cover: Plastic |
Product Dimensions | 109.5 mm × Φ109.9 mm (4.31" × Φ4.33") |
Net Weight | 0.38 kg (0.84 lb) |
Gross Weight | 0.52 kg (1.15 lb) |