Thermal Optical BI-Spectrum Network Bullet Camera-UL-U4FB

Thermal Optical BI-Spectrum Network Bullet Camera-UL-U4FB

SKU: UL-U4FB Category:



  • High sensitivity thermal module with 256 x 192 resolution
  • NETD is less than 60 mk (@25° C, F#=1.0) Supports contrast adjustment
  • Leading thermal image processing technology: Adaptive AGC, DDE, 3D DNR Up to 15 palettes of adjustable color
  • Reliable temperature-anomaly alarm
  • Temperature Range From -15°C to +150°C
  • High quality optical module with 2 MP resolution
  • Bi-spectrum image fusion, picture-in-picture preview


Image Sensor VOx Uncooled Focal Plane Arrays
Resolution 256×192
Pixel Interval 12μm
NETD Less than 60 mK (@25°C,F#=1.1)
Aperture F1.0
Field of View 35° × 27° (H × V)
Image Sensor 1/2.8″ 2.0M Pixel CMOS
Resolution 1920×1080P
Min. Illumination Color: 0.005Lux @ (F1.2, AGC ON), B/W: 0.001 Lux @ (F1.2, AGC ON)
Field of View 84° × 45° (H × V)
Focal Length 4mm
Shutter Speed 1s to 1/100,000s
White Balance Auto/Manual/ATW (Auto-tracking White Balance)/Indoor/Outdoor/ Daylight Lamp/Sodium Lamp
Day & Night ModeIR cut filter with auto switch
WDR 80 dB
Bi-spectrum Image Fusion Fusion view of thermal view and overlaid details of the optical channel
Picture in Picture Combines details of thermal and optical image PIP, overlay thermal image on optical image
Face snapping Built-in deep learning AI algorithm, Supports simultaneous detection of 20-30 faces
Temperature Measurement Support global and local temperature
Temperature Range From -15°C to +150°C
Temperature Accuracy Target temperature 35°C ^ 38°C ±0.3 °C
Target temperature 20°C ^ 33°C ±0.6 °C
Target temperature 38°C ^ 50°C ±0.6 °C
Main Stream Thermal: 25fps(1920 × 1080, 1280 × 720)
Sub Stream Thermal: 25fps(704 × 576, 352 × 288)
Video Compression H.264 (Baseline/Main/High Profile) /MJPEG/H.265
Audio Compression G .711u/G.711a/G.722.1/MP2L2/G.726/PCM
Protocols TCP/IP, ONVIF, GB/T 28181, DHCP, RTP, RTSP, PPPoE, UPnP, UDP
API Support public network and local area network
Web Client Language languages English
Power DC 12V, 0.65A
Work Temperature/Humidity From -20°C to 55°C; Humidity: 95% or Less
Protection Level IP67
Dimension 246 mm × 101 mm × 81 mm (with bracket)
Weight Approx. 1.0 kg

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