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Silver cylindrical bullet camera with adjustable mounting bracket and zoom lens

China Bks

China Bks 4MP Explosion-Proof IR Fixed Bullet Network Camera 2.8-12mm 4x Zoom H.265+ IP68

SKU CH-K169-YJNDJ

Explosion-proof 4 MP bullet camera with 2.8-12 mm 4x zoom, IR night vision and IP68 waterproof rating

  • Network CameraYes
  • TypeBullet Camera
  • Mounting LocationYes
  • HD Resolution1080P
  • 4 MP resolution at 2560 × 1440 captures fine detail
  • 8–12 mm 4× zoom lens frames wide or narrow views
  • H.265+ compression cuts bandwidth while keeping 30 fps at 4 MP
  • 120 dB WDR plus 3D DNR handles high-contrast scenes
  • IP68-rated explosion-proof housing withstands dust, water and hazardous areas

4MP Explosion-Proof Bullet Camera

This IP network camera uses a 1/3" progressive scan CMOS sensor to capture 2560 × 1440 resolution at 30 fps. It is built for hazardous-area surveillance with an explosion-proof bullet housing rated IP68 for waterproof protection. The camera supports H.265+, H.265, H.264+ and H.264 compression alongside triple-stream output for flexible recording and live viewing.

Motorised 2.8-12mm Zoom Lens Integration

A motorised 2.8-12mm 4x zoom lens with M12 mount allows remote focal-length adjustment during installation, removing the need for physical lens changes. Mechanical adjustment ranges cover pan 0° to 360°, tilt 0° to 90° and rotate 0° to 360° for precise aiming. The unit operates on PAL or NTSC signal systems and includes an IR cut filter with auto switch for day and night transitions.

Installers Needing Hazardous-Area Coverage

This model suits projects that require explosion-proof certification and rugged IP68 ingress protection in a fixed bullet form factor. It is not intended for applications needing pan-tilt-zoom movement after mounting or for installations that demand target-cropping analytics beyond the single fixed ROI region. Buyers requiring built-in audio, alarm I/O or wireless connectivity should verify those features separately.

Highlights

  • 4 MP resolution at 2560 × 1440 captures fine detail
  • 8–12 mm 4× zoom lens frames wide or narrow views
  • H.265+ compression cuts bandwidth while keeping 30 fps at 4 MP
  • 120 dB WDR plus 3D DNR handles high-contrast scenes
  • IP68-rated explosion-proof housing withstands dust, water and hazardous areas

Specifications

Network CameraYes
TypeBullet Camera
Mounting LocationYes
HD Resolution1080P

Questions about this item

What resolution limit appears first when the 4 MP sensor runs continuously at 30 fps?

The main stream caps at 2560 × 1440 at 30 fps; higher resolutions are not supported.

How much heat or noise does the explosion-proof housing produce during 24/7 operation?

The sealed IP68 housing has no fan; it runs silently and dissipates heat passively through the metal body.

Which mount or bracket must already be on site for the 0°–360° pan and 0°–90° tilt adjustment?

A standard wall or ceiling bracket with M12 threads is needed; the camera’s base bolts directly to it.

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