The TPC-BF5441-B7F4-J-S2 is a hybrid thermal bullet camera designed for perimeter protection and thermal detection in outdoor environments. It integrates a 400 × 300 px thermal sensor with a 7.5 mm fixed thermal lens and a 4 MP 2688 × 1520 visible sensor with a 4 mm lens , ensuring extensive scene control.
AI features include heat detection, Tripwire, Intrusion, Person/Vehicle classification , smoke detection, and hot/cold spot tracking.
The lighting technology reaches up to 80 meters , with intelligent linkage between white light and audio alarm , plus support for two-way audio.
Supports PoE, PoE+, ePoE , RJ-45 network, MicroSD up to 512 GB , ONVIF and advanced network protocols for complete integration into IP video surveillance systems.
IP67 protection and operation from -30°C to +70°C make it ideal for professional security and thermal monitoring applications even in challenging environmental conditions.
TPC-BF5441-B7F4-J-S2 | POE THERMAL BULLET IP CAMERA - 7.5mm THERMAL LENS AND 4mm VISIBLE LENS - 4MP - ARTIFICIAL INTELLIGENCE

The Dahua TPC-BF5441-B7F4-J-S2 is a professional hybrid thermal IP camera for video surveillance and perimeter protection, equipped with a 400 × 300 px thermal sensor with 7.5 mm lens and a 4 MP visible sensor with 4 mm lens . It integrates AI functions for heat detection, Tripwire, intrusion and person/vehicle classification , as well as smoke and hot/cold spot detection. The illumination reaches up to 80 m with audio alarm and white light, while PoE/PoE+/ePoE , two-way audio and IP67 protection ensure versatile installation even in outdoor environments.
Main specifications:
- Thermal: 400 × 300 px, 7.5 mm
- Visible: 4 MP, 4 mm optics
- AI: Person/Vehicle, Tripwire, Intrusion
- Thermal: Heat and Hot/Cold Spot detection
- Illumination: up to 80 m
- Alarm: audio + white light
- Power supply: PoE / PoE+ / ePoE
- Protection: IP67
Further details
The visible channel integrates a 4mm F1.6 fixed lens with 87° horizontal and 47.3° vertical field of view, ideal for obtaining wide scene coverage and detailed images in perimeter video surveillance applications.
The thermal module uses a 7.5mm fixed optic with a 53.5° × 39.5° field of view and a minimum focus distance of 1.2m , designed for medium-range thermal monitoring and perimeter protection.
Technical data sheet
| TPC-BF5441-B7F4-J-S2 | |
| Thermal | |
| Detector Type | Vanadium oxide uncooled focal plane detector |
| Effective Pixels | 400 (H) × 300 (V) |
| Pixel Pitch | 17 μm |
| Spectral Range | 8 μm–14 μm |
| Sensitivity (NETD) | ≤35 mK (@f/1.0) |
| Field of View | H:53.5°; V:39.5° |
| Thermal Focus Control | Fixed-focal |
| Close Focus Distance | 1.2 m (3.93 ft) |
| Digital Detail Enhancement (DDE) | Yes |
| Digital Zoom | 19 levels |
| Thermal AGC | Auto/Manual |
| Thermal Noise Reduction | 2D NR/3D NR |
| Image Flip | 180° |
| Color Palettes | 18 (white hot/black hot/fusion/rainbow/golden autumn/midday/iron red/amber/jade/sunset/icefire/painting/pomegranate/emerald /spring/summer/autumn/winter) |
| Visible | |
| Image Sensor | 1/1.8" CMOS |
| Max. Resolution | 2688 (H) × 1520 (V) |
| Pixel | 4 MP |
| Horizontal Definition | ≥1100 TVL |
| Min. Illumination | Color: 0.01 lux Black & white: 0.001 lux 0 lux (white light on) |
| Visible AGC | Auto/Manual |
| Visible Noise Reduction | 2D NR/3D NR |
| S/N Ratio | >55 dB |
| White Balance | Car; manual; indoor; outdoor; tracking; sodium lamp; street lamp; natural |
| Defog | Electronic defog |
| Electronic Shutter Speed | 1 s–1/30,000 s (auto/manual) |
| BLC | Yes |
| WDR | Yes |
| HLC | Yes |
| Day/Night | Auto (ICR); Color; B/W |
| Iris Control | Fixed |
| Image Flip | 180°; Mirror |
| Exposure Compensation | Yes |
| Visible Focus Control | Fixed-focal |
| Field of View | H: 87.0°; V: 47.3° |
| Close Focus Distance | 1.2 m (3.93 ft) |
| Openings | F1.6 |
| Illuminator On/Off Control | Auto; manual |
| Illumination Distance | 80 m (262.47 ft) |
| Audio and Video | |
| Video Compression | H.265; H.264M; H.264H; H.264B |
| Video Compression | Thermal: Main stream: 1280×1024; 1280×960; 1280×720; 400×300; 1280 × 960 (default) Sub stream: 640 × 512; 640×480; 400×300; 400 × 300 (default) Visible: Main stream: 2688 × 1520; 2560 × 1440; 1920×1080; 1280 × 720); 704×576; 2560 × 1440 (default) Sub streams: 704 × 576; 352×288; 704 × 576 (default) |
| Video Frame Rate | Thermal (50 Hz): Main stream: 1 fps–25 fps, 25 fps by default Sub stream: 1 fps–25 fps, 15 fps by default Visible (50 Hz): Main stream: 1 fps–25 fps, 25 fps by default Sub stream: 1 fps–25 fps, 15 fps by default Thermal (60 Hz): Main stream: 1 fps–30 fps,30 fps by default Sub stream: 1 fps–30 fps, 15 fps by default Visible (60 Hz): Main stream: 1 fps–30 fps, 30 fps by default Sub stream: 1 fps–30 fps, 15 fps by default |
| Audio Compression | G.711a; G.711mu |
| Image Encoding Format | JPEG |
| Function | |
| Two-way Audio | Yes |
| Sound and Light Alarm | Local audio and white light alarm prompts |
| Network Protocol | IPv4/IPv6; HTTP; HTTPS; 802.1x; QoS; FTP; SMTP; UPnP; SNMP; DNS; DDNS; NTP; RTSP; RTP; TCP; UDP; IGMP; ICMP; DHCP; PPPoE |
| Region of Interest (RoI) | Yes (customizable) |
| Storage | FTP; Micro SD card (optional) |
| Interoperability | ONVIF; CGI; DaHua SDK |
| Browser | IE; Firefox; Chrome; Safari |
| User/Host | Up to 20 (total bandwidth: 64 MB) |
| Security | Authorized username and password; attached MAC address; HTTPS; IEEE 802.1x; controlled network access |
| User Management | Up to 20 users; supports multi-level user permissions (2 levels): management group and user group |
| Malfunction Detection | Network disconnection detection; IP conflict detection; memory card state detection; memory space detection |
| Fusion Mode | Yes. Off by default |
| PIP | Yes |
| Intelligence | |
| Heat Detection | Yes |
| Cold/Hot Spot Trace | Yes |
| Perimeter Protection | Yes. Supports tripwire and intrusion |
| Target Distinction | Human/Vehicle Classification |
| Smoke Detection | Yes |
| Port | |
| Analog Output | 1×CVBS output; BNC port (not supported by the device with a junction box) |
| Network Port | 1 × RJ-45 (10/100 Base-T) |
| Alarm Input | 2 |
| Alarm Output | 2 |
| Audio Input | 1 |
| Audio Output | 1 |
| RS-485 | 1 |
| Power | |
| Power Supply | 12 VDC ± 20%, PoE (802.3af), ePoE, PoE+ |
| Power Consumption | Basic: 5W (12VDC); 8.9W (PoE) Max: 15W (12VDC); 18W (PoE) |
| ePoE | Yes |
| Environment | |
| Operating Temperature | –30 °C to +70 °C (–22 °F to +158 °F) |
| Operating Humidity | ≤95% |
| Storage Temperature | –40 °C to +70 °C (–40 °F to +158 °F) |
| Physical Characteristics | |
| Protection | IP67 |
| Reliability | Surge protection: 6 kV Air discharge: 15 kV Contact discharge: 8 kV |
| Structure | |
| Product Dimensions | 300.9 mm × 130.2 mm × 120.1 mm (11.85" × 5.13" × 4.73") (L × W × H) |
| Packaging Dimensions | 423 mm × 180 mm × 178 mm (16.65" × 7.09" × 7.01") (L × W × H) |
| Net Weight | ≤2.35 kg (5.18 lb) |
| Gross Weight | ≤2.7 kg (5.95 lb) |
| Lens | Included |
| Certification | |
| Certifications | CE; FCC |


