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White explosion-proof IP dome camera with 4mm lens and IR LEDs

China Bks

China Bks BL-EX440NI-I 4MP Explosion-Proof IR Dome Camera 4mm H.265+ IP68

SKU CH-6CKX-KJ4RV

4MP explosion-proof dome camera with 4mm lens, H.265+ compression and IP68 protection for hazardous areas

  • TypeIP / Network Cameras
  • Explosion-proof design for hazardous-area safety
  • 4 MP resolution at 2560 × 1440 for detailed footage
  • H.265+ compression cuts bandwidth and storage needs
  • IP68-rated waterproof housing withstands harsh environments
  • 120 dB WDR balances bright and dark scene areas

Explosion-proof 4 MP dome camera

This IP dome camera carries an explosion-proof rating and IP68 ingress protection for hazardous or exposed outdoor sites. A 1/3" progressive-scan CMOS sensor captures 2560 × 1440 resolution at up to 30 fps. The fixed 4 mm lens provides an 83° horizontal field of view. Infrared illumination reaches 0 lux for night monitoring.

H.265+ compression and triple-stream limits

Video uses H.265+, H.265, H.264+ or H.264 with a bit-rate range of 256 Kbps to 16 Mbps. Three independent streams are available: the main stream at 2560 × 1440, a sub stream at 640 × 480, and a third stream at 1280 × 720. MJPEG is also supported for compatibility. Bandwidth above 16 Mbps is not available.

4 MP resolution and low-light headroom

The 4 MP sensor delivers detailed 2560 × 1440 footage at 30 fps for general surveillance. Wide dynamic range of 120 dB handles strong backlight, while 3D DNR reduces noise. Minimum colour illumination is 0.01 lux at F1.2. Scenes needing wider coverage than the 83° horizontal view or higher frame rates at full resolution exceed the camera's capability.

Highlights

  • Explosion-proof design for hazardous-area safety
  • 4 MP resolution at 2560 × 1440 for detailed footage
  • H.265+ compression cuts bandwidth and storage needs
  • IP68-rated waterproof housing withstands harsh environments
  • 120 dB WDR balances bright and dark scene areas

Specifications

TypeIP / Network Cameras

Questions about this item

Which lens focal length should I pick for the widest view?

The 2.8 mm option gives a 92° horizontal field of view, wider than the 83° at 4 mm or 51° at 6 mm.

What does the 4 MP resolution deliver in actual recording?

It records at 2560 × 1440 pixels, running at 30 fps on 60 Hz or 25 fps on 50 Hz mains.

Which video codec does the camera use and what bit-rate ceiling does it impose?

H.265+ is supported with a configurable bit-rate range of 256 Kbps to 16 Mbps.

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