📋 DS-2CD2183G2-LI(S)(2U) – Specifications

📷 Camera

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  Image Sensor: 1/2.8" Progressive Scan CMOS
  
• 
  Max Resolution: 3840 × 2160 (8 MP)
  
• 
  Min. Illumination:
  
  
  Color: 0.005 Lux @ F1.6
  
  
  0 Lux with IR/light
  
  
  
• 
  Shutter Speed: 1/3 s to 1/100,000 s
  
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  Day/Night: IR cut filter
  
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  Angle Adjustment:
  
  
  Pan: 0°–355°
  
  
  Tilt: 0°–75°
  
  
  Rotate: 0°–355°
  
  
  

🔍 Lens

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  Type: Fixed lens
  
• 
  Options: 2.8 mm / 4 mm
  
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  Aperture: F1.6
  
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  Mount: M12
  

Field of View:

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  2.8 mm: H 108° / V 59° / D 127°
  
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  4 mm: H 88° / V 44° / D 105°
  

🌙 Illumination

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  Type: IR + White Light (Smart Hybrid Light)
  
• 
  Range: Up to 30 m
  
• 
  IR Wavelength: 850 nm
  

🎥 Video

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  Main Stream:
  
  
  4K: up to 20 fps
  
  
  
• 
  Sub Stream: up to 30 fps
  
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  Compression:
  
  
  H.265+ / H.265 / H.264+ / H.264
  
  
  
• 
  Bitrate: 32 Kbps – 16 Mbps
  

🎧 Audio (-2U version)

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  Microphone: Built-in dual-array mic
  
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  Compression: G.711 / G.722.1 / G.726 / MP3 / AAC-LC
  
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  Noise Filtering: Yes
  

🧠 Smart Features (AcuSense)

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  Human & vehicle classification
  
• 
  Line crossing detection
  
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  Intrusion detection
  
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  Motion detection 2.0
  

🌐 Network

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  Protocols: TCP/IP, HTTP, HTTPS, RTSP, FTP, DHCP, DNS, IPv4/IPv6, etc.
  
• 
  ONVIF: Profile S & G
  
• 
  Users: Up to 32 users
  
• 
  Remote Access: Web, app (Hik-Connect), software
  

💾 Storage

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  MicroSD Slot: up to 512 GB
  
• 
  Network Storage: NAS (NFS/SMB), ANR
  

🖼️ Image Features

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  WDR: 120 dB
  
• 
  Image Enhancements: BLC, HLC, 3D DNR
  
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  SNR: ≥ 52 dB
  
• 
  Privacy Masking: 8 zones
  

🔌 Interfaces

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  Ethernet: RJ45 10/100 Mbps
  
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  Audio: Built-in mic / audio I/O (-S)
  
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  Alarm I/O: 1 in / 1 out (-S)
  
• 
  Reset Button: Yes
  

⚡ Power

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  PoE: IEEE 802.3af
  
• 
  DC: 12V
  
• 
  Power Consumption: ~8–10 W max
  

🛡️ Build & Environment

• 
  Protection: IP67 (waterproof), IK10 (vandal-proof)
  
• 
  Material: Aluminum alloy
  
• 
  Operating Temp: -30°C to +60°C
  

📏 Physical

• 
  Dimensions: Ø121.5 × 97.6 mm
  
• 
  Weight: ~600 g
  

✅ Summary

• 
  8MP 4K dome camera
  
• 
  Smart AI (AcuSense)
  
• 
  Hybrid IR + white light night vision
  
• 
  Built-in microphone (2U)
  
• 
  Rugged outdoor design (IP67 / IK10)