IPC-HDW3449T-ZS-IL-B - Camera with 2.7-13.5 mm motorized lens and black finish is a 4MP bullet camera designed to guarantee versatility and high performance thanks to the 1/2.9” 4MP CMOS sensor with resolution up to 2688×1520. The motorized vari-focal zoom allows an adjustable field of view up to 104° , adapting to different surveillance scenarios. Smart Dual Light technology combines IR and warm light up to 60 m for intelligent and color night vision. It integrates advanced AI functions such as SMD 4.0 and Perimeter Protection , ensuring precise detection and reduction of false alarms. Smart H.265+/AI H.265 compression optimizes bandwidth and storage, while the integrated microphone expands monitoring capabilities. The rugged structure with IP67 protection makes it ideal for professional outdoor installations. Dahua
IPC-HDW3449T-ZS-IL-B | 4MP IP DOME CAMERA WITH 2.7-13.5mm VARIFOCAL LENS - ARTIFICIAL INTELLIGENCE

The Dahua IPC-HDW3449T-ZS-IL is a professional video surveillance camera with 4MP resolution and a high-sensitivity CMOS sensor, ideal for obtaining clear images even in low-light conditions. Equipped with a 2.7-13.5mm motorized varifocal lens , it guarantees maximum installation and coverage flexibility, while Smart Dual Light technology offers night vision up to 50 meters with automatic switching between IR and white light. The integration of WizSense Artificial Intelligence allows for precise detection of people and vehicles, reducing false alarms. It supports H.265+ compression to optimize bandwidth and storage, integrates a microphone and features a resistant IP67 design in an elegant black color, perfect for outdoor environments.
Main specifications:
- 4MP Resolution: High definition images up to 2688×1520 for detailed monitoring
- 2.7-13.5mm varifocal lens: flexible framing adjustment for different scenarios
- Smart Dual Light: Intelligent night vision up to 50m with IR and automatic warm light
- WizSense Artificial Intelligence: advanced detection of people and vehicles with reduced false alarms
- H.265+ compression: high storage efficiency and reduced bandwidth used
- Built-in microphone: ambient audio acquisition for added security
- IP67 protection: dust and water resistance for outdoor installations
- MicroSD support up to 512GB: reliable and capacious local storage
Further details
Advanced technology based on large-scale AI models and transformer architecture that optimizes performance through edge computing and NPU , enabling concurrent analytics and greater efficiency in video data management.
Advanced event management with motion detection, video tampering, intrusion detection and system anomalies , including SD errors, network disconnection and unauthorized access, for complete and proactive security.

Technical data sheet
| Model | IPC-HDW3449T-ZS-IL-B |
| Room | |
| Image Sensor | 1/2.9" CMOS |
| Effective Pixel | 2688 (H) × 1520 (V) |
| ROM/RAM | 256 MB/1 GB |
| Scanning System | Progressive |
| Electronic Shutter Speed | Auto/Manual 1/3 s–1/100,000 s |
| Min. Illumination |
0.005 lux@F1.4 (Color, 30 IRE) |
| S/N Ratio |
﹥ 56 dB |
| Illumination Distance |
Up to 50 m (164.04 ft) (IR) |
| 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 | Motorized vari-focal |
| Mount Type | φ14 |
| Focal Length | 2.7 mm-13.5 mm |
| Max. Openings | F1.4 |
| Field of View | H: 104°–29°; V: 54°–16°; D: 125°–34° |
| Iris Type | Fixed |
| Close Focus Distance | 0.1 m (0.33 ft) |
| Professional, Intelligent | |
| IVS (Perimeter Protection) | Intrusion, tripwire (the two functions support the classification and accurate detection of vehicle and human), stay detection, loitering detection. |
| Face Detection (Full Image) | Face detection; snapshot; snapshot optimization; optimal face snapshot upload; face enhancement; face snapshot set as face or one-inch photo; snapshot strategies (real-time snapshot, quality priority and optimization snapshot); face angle filter; optimization time setting. |
| SMD | SMD 4.0 |
| AcuPick | Uses deep learning algorithms and works with back-end devices to accurately match targets, such as people and motor vehicles, and search through live and recorded videos to quickly locate targets. |
| TO THE SSA | Adopt deep learning algorithms to adjust the parameters of the image to suit the conditions. |
| Smart Search | Work together with Smart NVR to perform refine intelligent search, event extraction and merging to event videos |
| 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+ |
| AI Coding | AI H.265; AI H.264 |
| Video Frame Rate | Main stream: 2688 × 1520@(1 fps–25/30 fps) Sub stream: 1920 × 1080@(1 fps–25/30 fps) Third stream:1920 × 1080@(1 fps–25/30 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 |
| Stream Capability | 3 streams |
| Resolution | 4M (2688 × 1520/2560 × 1440); 3M (2304 × 1296/2048 × 1536); 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 | VBR; CBR; ABR |
| Video Bit Rate | H.264: 3 kbps–16384 kbps H.265: 3 kbps–16384 kbps |
| Day/Night | Auto (ICR)/Color/B/W |
| BLC | Yes |
| HLC | Yes |
| WDR | 120 dB |
| Scene Self-adaptation | Yes |
| White Balance | Car; natural; street lamp; outdoor; manual; regional custom |
| Gain Control | Car |
| Noise Reduction | 3D NR |
| Motion Detection | OFF/ON (4 areas, rectangular) |
| Image Stabilization | Electronic Image Stabilization (EIS) |
| Region of Interest (RoI) | Yes (4 areas) |
| Smart Lighting | Yes |
| Smart Dual Light | Yes |
| Defog | Yes |
| AFSA | Yes |
| Image Rotation | 0°/90°/180°/270° (Support 90°/270° with 2688 × 1520 resolution and lower) |
| Mirror | Yes |
| Privacy Masking | 8 areas |
| Audio | |
| Built-in MIC | Yes, built-in Mic |
| Audio Compression | PCM; G.711a; G.711Mu; G.726; G.723 |
| Alarm | |
| Alarm Event | No SD card; SD card full; SD card error; network disconnection; IP conflict; illegal access; motion detection; video tampering; tripwire; intrusion; scene changing; audio detection; voltage detection; external alarm; SMD; security exception |
| Network | |
| Ethernet | 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; SAMBA; PPPoE; SNMP; P2P |
| Interoperability | ONVIF (Profile S & Profile G & Profile T & Profile M); CGI |
| User/Host | 20 (Total bandwidth: 64 M) |
| Storage |
FTP; SFTP; Micro SD card (support max. 512G); NAS |
| Browser | IE: IE11 Chrome Firefox |
| Management Software | Smart PSS; DSS; DMSS |
| Smartphone | iOS; Android |
| Security | Digests; WSSE; Account lockout; Security logs; IP/MAC filtering; Generation and importing of X.509 certification; Syslog; HTTPS; 802.1x; Trusted boot; Trusted execution; Trusted upgrades |
| Certifications | |
| Certifications |
CE-LVD: EN 62368-1; |
| Power | |
| Power Supply | 12 VDC/PoE (802.3af) |
| Dual Power Backup | When the power adapter and PoE provide power at the same time, disconnect one of them. The device will continue to work, but will not restart. |
| Power Consumption |
Basic: 3.7W (12VDC); 4.7W (PoE) |
| Environment | |
| Operating Temperature | –30 °C to +60 °C (–22 °F to +140 °F) |
| Operating Humidity | ≤95% (RH), non-condensing |
| Ingress Protection | IP67 |
| Storage Temperature | –40 °C to +60 °C (–40 °F to +140 °F) |
| Storage Humidity | ≤95% (RH), non-condensing |
| Structure | |
| Casing | Metal |
| Dimensions | 108.3 mm × Φ122.0 mm (4.26" × Φ4.80") |
| Net Weight | 690 g (1.52 lb) |
| Gross Weight | 920g (2.0 lb) |


