DAHUA TPC-BF1241-B3F4-DW-S8 Thermal Network Bullet Camera, 256x192 Thermal & 4MP Visible, 3.5mm/4mm, IP67, PoE

For perimeter security and early fire detection in challenging conditions, the DAHUA TPC-BF1241-B3F4-DW-S8 combines a 256x192 uncooled thermal sensor with a 4MP visible-light camera in a single rugged bullet housing. Unlike conventional CCTV, it sees heat signatures through darkness, smoke, and light fog, while the visible channel captures evidentiary detail. Dual-spectrum fusion and smart analytics make it a proactive tool for industrial, commercial, and critical infrastructure sites.

Highlights

• Dual-sensor design: 256x192 thermal (3.5mm lens, 50.6°x37.8° FOV) and 4MP visible (4mm lens, 84°x45° FOV).
• Temperature measurement from -20°C to +150°C with ±2°C or ±2% accuracy; supports fire detection and cold/hot spot tracking.
• IP67 weatherproof and IK10 vandal-resistant metal housing for outdoor use in extreme conditions.
• Smart video analytics: intrusion detection, tripwire, and fire detection with alarm I/O (2 in / 2 out).
• Flexible power: 12V DC or PoE (802.3af), with built-in microphone and microSD slot (up to 256GB).

In daily use

Mount the camera at a perimeter gate, loading dock, or transformer yard. The thermal channel immediately flags a person or vehicle by heat signature, even in total darkness, while the visible channel zooms in for identification. Configure tripwire rules to trigger an alarm output when someone crosses a boundary, or set temperature thresholds to alert on overheating equipment. Live view can be toggled between thermal, visible, or fusion modes for optimal situational awareness. The built-in microphone adds audio context, and recordings can be stored locally on a microSD card or streamed to an NVR.

Full specifications

• Thermal sensor: 256x192 VOx uncooled, 12μm pixel pitch, NETD <40mK.
• Thermal lens: 3.5mm fixed, FOV 50.6°(H) x 37.8°(V), focus-free.
• Visible sensor: 1/2.7" CMOS, 4MP (2336x1752), 0.005 lux @ F1.6 (B/W).
• Visible lens: 4mm fixed, FOV 84°(H) x 45°(V), IR distance up to 30m.
• Video compression: H.265, H.264, MJPEG; dual streams.
• Temperature measurement: range -20°C to +150°C, accuracy ±2°C or ±2%, emissivity adjustable.
• Smart functions: fire detection, intrusion, tripwire, temperature alarm, cold/hot spot tracking.
• Audio: 1 input (built-in mic), 1 output; alarm: 2 inputs, 2 outputs.
• Network: 1x RJ-45 10/100Base-T, ONVIF, CGI, P2P.
• Storage: microSD slot up to 256GB.
• Power: 12V DC ±25% or PoE (802.3af), max consumption 8W.
• Ingress protection: IP67; impact resistance: IK10.
• Operating temperature: -30°C to +60°C; humidity ≤95% RH.
• Dimensions: 246.5mm x 90.7mm x 90.7mm; weight: 1.2kg.

Final note

This thermal bullet camera is a reliable sentinel for sites where early warning and all-weather detection are non-negotiable. Its dual-spectrum design and rugged build deliver actionable intelligence around the clock.