TPC-BF1241-LB3F4-DW-S8-V1 - is a hybrid IP thermal camera from the Eureka series designed for advanced fire, intrusion and thermal anomaly detection. It combines a 256×192 VOx 12 μm thermal sensor with a 3.5 mm fixed thermal lens and a 4 MP (2688×1520) optical camera with a 4 mm fixed lens , offering detailed images and intelligent analysis. Thanks to thermal and visible fusion , AI with people and vehicle classification , heat, smoke and line crossing detection, it guarantees extremely reliable surveillance. It completes the equipment with IR illuminator and white light up to 30 m , integrated dual microphone , MicroSD slot up to 256 GB and IP67 and IK10 protections, ideal for professional installations in outdoor and industrial environments. Dahua
TPC-BF1241-LB3F4-DW-S8-V1 | POE THERMAL BULLET IP CAMERA WITH 4mm FIXED LENS - 3.5mm THERMAL LENS - 4 MEGAPIXELS - ARTIFICIAL INTELLIGENCE

The Dahua TPC-BF1241-LB3F4-DW-S8-V1 is a hybrid thermal IP camera from the Eureka series that combines a 256×192 VOx 12μm thermal sensor with 3.5mm fixed lens and a 4MP optical camera with 4mm fixed lens , offering advanced monitoring and early detection of thermal anomalies. Thermal and visible fusion technology, combined with AI functions for people and vehicle classification , fire, smoke and intrusion detection, ensures comprehensive protection. Equipped with IR and white light illumination up to 30 meters , integrated dual microphone, MicroSD slot up to 256 GB and IP67 and IK10 protections, it represents a professional solution for industrial, perimeter and advanced security applications.
Main specifications:
- Thermal sensor 256×192 VOx 12μm
- 4 MP optical camera (2688×1520)
- 3.5mm thermal optics and 4mm visible optics
- AI with people and vehicle classification
- Fire, smoke and intrusion detection
- Thermal and visible image fusion
- IR and white light up to 30m
- Built-in dual microphone
- MicroSD up to 256 GB
- IP67 and IK10 protection
- PoE and 12-24 VDC power supply
Further details
The visible camera integrates a 4 MP (2688×1520) sensor with a 4mm F1.6 fixed lens , capable of offering detailed images, a wide field of view and high acquisition quality both day and night.
The thermal module uses a 3.5mm F1.0 fixed lens with 50.6° viewing angle, ideal for perimeter monitoring, thermal anomaly detection and fire prevention.
✅ Built-in dual microphone:
Technical data sheet
| TPC-BF1241-LB3F4-DW-S8-V1 |
| Technical features |
| Uncooled vanadium oxide thermal detector with 256 (H) × 192 (V) resolution, 12 µm pixel pitch and 8-14 µm spectral range |
| Thermal sensitivity (NETD) ≤25 mK@f/1.0 |
| Lens 3.5 mm fixed thermal with F1.0 aperture |
| Thermal angle of view of H 50.6° and V 37.8° |
| Visible channel with 1/1.8" CMOS sensor and 4MP resolution 2688 × 1520 |
| Lens Visible fixed 4mm with F1.6 aperture |
| Visible angle of view of H 88.0° and V 49.9° |
| Minimum illumination 0.05 lux in color, 0.005 lux in B/W and 0 lux with IR on |
| IR with a range of up to 30 m |
| White light up to 30 m range |
| Auto Day/Night (ICR), color and B/W mode |
| Video stream |
| H.265, H.264, H.264H and MJPEG compression |
| Thermal resolution in main stream: 1280 × 960, 1024 × 768, 640 × 480 and 256 × 192 |
| Thermal resolution in substream: 640 × 480 and 256 × 192 |
| Visible resolution in main stream: 2688 × 1520, 1920 × 1080, 1280 × 720 and 704 × 576 |
| Visible resolution in substream: 1280 × 720, 704 × 576 and 352 × 288 |
| Thermal Stream 1: 1-25 fps (50 Hz) and 1-30 fps (60 Hz) |
| Stream 2 thermal: 1-25 fps (50 Hz) and 1-30 fps (60 Hz) |
| Stream 1 visible: 1-25 ips (50 Hz) and 1-30 ips (60 Hz) |
| Stream 2 visible: 1-25 fps (50 Hz) and 1-30 fps (60 Hz) |
| Functionalities |
| Visible and thermal image fusion |
| Digital Detail Enhancement (DDE) |
| 16-level digital zoom |
| Automatic and manual AGC |
| 2D NR and 3D NR noise reduction |
| Auto, Manual, Indoor, Outdoor, Tracking, Street lamp and Natural White Balance |
| 120 dB real WDR |
| BLC and HLC available |
| RoI not removable |
| Image rotation 0°, 90°, 180°, 270° and 270° |
| Local alarm prompts with white light and red and blue lights |
| Intelligent functions |
| Perimeter tripwire and intrusion protection |
| Heat (fire) detection and alarm |
| Human and vehicle classification |
| Smoke detection |
| Smoking detection |
| Call detection |
| Hot and cold spot tracking |
| Up to 16 detectable fire points |
| Audio |
| Dual built-in microphones |
| 1 audio input and 1 audio output |
| G.711a, G.711mu, PCM and AAC compression |
| Storage |
| MicroSD card slot up to 256 GB (card not included) |
| Alarms |
| 2 alarm inputs and 2 alarm outputs |
| Communication interface |
| RS-485 via 1 pair |
| Network |
| RJ-45 10/100 Base-T interface |
| Protocols HTTP, HTTPS, TCP, ARP, RTSP, RTP, UDP, RTCP, SMTP, FTP, DHCP, DNS, DDNS, PPPOE, IPv4/v6, SNMP, QoS, UPnP, NTP, Multicast, SFTP and 802.1x |
| ONVIF, CGI and Dahua SDK support |
| Up to 12 users |
| Security via authorized user and password, associated MAC, HTTPS, IEEE 802.1x and network access control |
| Power supply |
| 12-24 VDC (±20%) and PoE 802.3af |
| Basic power consumption less than 5.3 W (DC) and 6.5 W (PoE) |
| Maximum power consumption less than 12 W (DC) and 11.5 W (PoE) |
| Environmental |
| Operating temperature -40 °C to +65 °C (-40 °C to +65 °C) |
| Storage temperature -40 °C to +70 °C (-40 °C to +70 °C) |
| Relative humidity ≤95%. |
| IP67 protection |
| Vandal-resistant housing IK10 |
| Anti-corrosion coating with basic protection |
| Physical characteristics |
| Dimensions: 233 × 97.6 × 99.8 mm |
| Packaging dimensions: 337 × 146 × 136 mm |
| Net weight: ≤1.1 kg |
| Gross weight: ≤1.4 kg |


