TPC-BF5641-TB35Z3-J-S5-V1 - is a hybrid IP thermal camera designed for advanced perimeter protection and early fire detection in industrial environments and critical infrastructure. It integrates a 640×512 VOx thermal sensor with 35 mm thermal lens and a 4 MP visible camera with 10-30 mm varifocal motorized lens , offering detailed images and effective monitoring over long distances. Thanks to Xinghan Artificial Intelligence , it supports fire, smoke, intrusion, line crossing and human/vehicle classification detection , significantly reducing false alarms. The equipment also includes two-way audio , sound and light alarm , illumination up to 80 meters, PoE/ePoE power supply, IP67/IK10 protection and TPM 2.0 module for advanced cybersecurity. Dahua
TPC-BF5641-TB35Z3-J-S5-V1 | POE THERMAL BULLET IP CAMERA WITH 120-30mm VARIFOCAL LENS - 35mm THERMAL LENS - 4 MEGAPIXELS - ARTIFICIAL INTELLIGENCE - TWO-WAY AUDIO - FIRE AND SMOKE DETECTION

The Dahua TPC-BF5641-TB35Z3-J-S5-V1 is a hybrid thermal IP camera designed for advanced perimeter protection and early fire detection in large areas and critical infrastructure. It integrates a 640×512 VOx thermal sensor with 35 mm thermal lens and a 4 MP visible camera with 10-30 mm varifocal motorized lens , offering detailed images and effective monitoring over long distances. Thanks to Xinghan Artificial Intelligence , it supports fire, smoke, intrusion detection and human/vehicle classification , drastically reducing false alarms. The features also include two-way audio , sound and light alarm , illumination up to 80 m, PoE/ePoE , IP67/IK10 protection and TPM 2.0 module for advanced cyber security.
Main specifications:
- Thermal sensor 640×512
- Thermal optics: 35 mm
- Visible camera: 4 MP CMOS
- Visible optics: 10-30 mm F1.7
- AI Xinghan: Man/Vehicle
- Smoke and fire detection
- Two-way audio
- Sound and light alarm
- Illumination: Up to 80 m
- Power supply: PoE 802.3af
- IP67 and IK10
- Cybersecurity: TPM 2.0 integrated
Further details
The camera integrates a 10-30mm F1.7 motorized varifocal visible lens that allows you to precisely adjust the framing and level of detail, making it perfect for monitoring large areas, perimeters and critical infrastructure.
The 35mm fixed thermal optic offers high performance in detecting people, vehicles and thermal anomalies over long distances, making it ideal for advanced perimeter security and fire prevention applications.
✅ Two-way audio:
Technical data sheet
| TPC-BF5641-TB35Z3-J-S5-V1 | |
| Thermal | |
| Detector Type | Vanadium oxide uncooled focal plane detector |
| Effective Pixels | 640 (H) × 512 (V) |
| Pixel Pitch | 12 μm |
| Spectral Range | 8 μm–14 μm |
| Sensitivity (NETD) | ≤20 mK (@f/1.0) |
| Field of View | H: 11.1°; V: 8.3° |
| Thermal Focus Control | Fixed-focal |
| Close Focus Distance | 28 m (91.86 ft) |
| Digital Detail Enhancement (DDE) | Yes |
| Digital Zoom | 24 levels |
| Thermal AGC | Auto/Manual |
| Thermal Noise Reduction | 2D NR/3D NR |
| Image Flip | 180°; Mirror |
| 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 |
Center ≥ 1200 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 |
| Field of View | H: 42°–15°;V: 22.8°–8.4° |
| Close Focus Distance | 9 m (29.53 ft) |
| Openings | F1.7 |
| 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; 1280×720; 640×512; 1280 × 1024 (default); Sub stream: 640 × 512; 320×256; 640 × 512 (default) Visible: Main stream: 2688 × 1520; 1920×1080; 1280×720; 704×576; 2688 × 1520 (default); Sub streams: 704 × 576; 352×288; 352 × 288 (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; PCM; AAC |
| Image Encoding Format | JPEG |
| Function | |
| Two-way Audio | Yes |
| Sound and Light Alarm | Yes |
| Network Protocol | HTTP; HTTPS; TCP; ARP; RTSP; RTP; UDP; RTCP; SMTP; FTP; DHCP; DNS; DDNS; PPPOE; IPv4/v6; SNMP; QoS; UPnP; NTP; Multicast; SFTP; 802.1x |
| Region of Interest (RoI) | Yes |
| Storage | FTP; Micro SD card (optional) |
| Interoperability | ONVIF; CGI; DaHua SDK |
| Browser | IE: IE8 and later (including the browsers with IE kernel, such as 360 Explorer, Sougou Explorer); Chrome: 42 and earlier; Firefox: 42 and earlier |
| User/Host | Up to 12 (total bandwidth: 64 MB) |
| Security | Network disconnection detection; IP conflict detection; memory card state detection; memory space detection |
| 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. |
| PIP | Yes |
| Micro SD Card (Max.) | 512 GB |
| 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 |
| Network Port | 1 × RJ-45 (10/100 Base-T) |
| Alarm Input | 2 |
| Alarm Output | 2 |
| Alarm Linkage | Recordings on SD card; digital output; e-mail; snapshot |
| Alarm Event | No SD card; low SD card space; SD card error; network disconnection; IP conflict; motion detection; video tampering; intrusion; tripwire; audio detection |
| Audio Input | 1 |
| Audio Output | 1 |
| RS-485 | 1 |
| Power | |
| Power Supply | 12-24 VDC (±10%), PoE (802.3af) |
| Power Consumption | Basic: 5.2 W (illuminator off, heater off, speaker off); Max: 16.2 W (illuminator on, heater on, speaker on) |
| ePoE | Yes |
| Environment | |
| Operating Temperature | –40 °C to +70 °C (–40 °F to +158 °F) |
| Operating Humidity | ≤95% |
| Storage Temperature | –40 °C to +70 °C (–40 °F to +158 °F) |
| Physical Characteristics | |
| Protection | IP67 |
| 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 |
| Reliability | Surge protection: 6 kV Air discharge: 15 kV Contact discharge: 8 kV |
| Vandal-proof Rating | Enclosure: IK10 |
| Anti-corrosion Level | Basic Protection *The products are designed for general use and are applicable even in areas with no specific requirements for anti-corrosion protection. |
| Certification | |
| Certifications | THERE IS |


