The Hikvision 4MP Smart Dual Light Dome IP Camera – DS-2CD1143G2-LIU(2.8mm)
is a versatile and advanced security solution designed for both
residential and commercial surveillance. This dome camera provides
exceptional clarity and intelligent features, including dual light
illumination and a built-in microphone, making it an excellent choice
for capturing high-quality video and audio in various environments.

Key Features:

• Image Sensor:
  Equipped with a 1/3″ Progressive Scan CMOS sensor, ensuring sharp and
  clear imaging with a maximum resolution of 2560 × 1440 pixels.
• Lens Options:
  Offers two lens types, 2.8 mm and 4 mm, providing flexibility in field
  of view, with a horizontal FOV of up to 98° and diagonal FOV of up to
  114° for the 2.8 mm lens.
• Illumination: With a
  minimum illumination of 0.005 Lux in color mode and 0 Lux with IR for
  black and white, this camera guarantees visibility in extremely
  low-light conditions. The integrated smart IR and white light supplement
  illumination extends up to 30 meters.
• Day & Night Functionality:
  Automatic IR cut filter enables seamless day and night transitions,
  ensuring clear video footage in varying lighting conditions.
• Angle Adjustment: The camera can be adjusted
  with a pan range of 0° to 355°, a tilt range of 0° to 75°, and a
  rotation range of 0° to 355°, offering extensive installation
  flexibility.
• Durable Build: Designed to endure outdoor conditions with protection against the elements.

Detailed Specifications:

• Image Sensor: 1/3″ Progressive Scan CMOS
• Max. Resolution: 2560 × 1440
• Min. Illumination:
  • Color: 0.005 Lux @ (F1.6, AGC ON)
  • B/W: 0 Lux with IR
• Shutter Time: 1/3 s to 1/100,000 s
• Day & Night: IR cut filter
• Lens: Fixed focal lens, available in 2.8 mm or 4 mm options
  • 2.8 mm FOV: Horizontal 98°, Vertical 54°, Diagonal 114°
  • 4 mm FOV: Horizontal 78°, Vertical 42°, Diagonal 93°
• Aperture: F1.6
• DORI (Detection, Observation, Recognition, Identification):
  • 2.8 mm: D: 63 m, O: 25 m, R: 12 m, I: 6 m
  • 4 mm: D: 78 m, O: 31 m, R: 15 m, I: 7 m
  • • Supplement Light Range: Up to 30 meters
    • Video Compression:
      • Main Stream: H.265+/H.265/H.264+/H.264
      • Sub-Stream: H.265/H.264/MJPEG
    • Video Bit Rate: 32 Kbps to 8 Mbps
    • Audio Compression: G.711ulaw/G.711alaw/G.722.1/G.726/MP2L2/PCM/AAC-LC
    • Built-in Microphone: Yes, with environment noise filtering for clear audio capture.
    • Ethernet Interface: 1 RJ45 10M/100M self-adaptive Ethernet port
    • On-Board Storage: Supports up to 512 GB microSD/microSDHC/microSDXC cards.
    • Wide Dynamic Range (WDR): 120 dB for balanced exposure in challenging lighting conditions.
    • Privacy Masking: Supports up to 4 programmable privacy zones.
    • Smart Features: Includes BLC, HLC, 3D DNR, and smart supplement lighting.

    Network and Security:

    • Simultaneous Live View: Supports up to 6 channels.
    • User Access: Up to 32 users with three access levels: Administrator, Operator, and User.
    • Security:
      Advanced security features including password protection, watermarking,
      authentication protocols (HTTP, WSSE), and host authentication via MAC
      address.
    • Protocols Supported: TCP/IP, ICMP, DHCP, DNS, HTTP, RTP, RTSP, NTP, IGMP, IPv6, UDP, QoS, FTP, SMTP.