Hikvision DS-2CD1123G2-LIU(2.8mm) 2MP Smart Dual Light Dome IP Camera with Mic

Dual Light Technology for Enhanced Visibility

The DS-2CD1123G2-LIU features advanced dual light technology that ensures clear imaging in any environment:

• IR (infrared) illumination with 30m range for traditional night vision
• Warm supplemental lighting for full-color imaging in low-light scenarios
• Automatic switching between lighting modes based on conditions
• Smart light control to prevent overexposure and optimize illumination

Furthermore, the camera incorporates a 1/2.8″ progressive scan CMOS sensor with 2 megapixel resolution, capturing detailed footage at 1920 × 1080 pixels with a smooth 30fps frame rate.

Audio Capabilities with Built-in Microphone

Unlike standard dome cameras, the DS-2CD1123G2-LIU includes integrated audio functionality:

• Built-in omnidirectional microphone for clear audio capture
• Audio compression using G.711/G.722.1/G.726/MP2L2/PCM formats
• Audio sampling rate adjustable up to 16 kHz
• Two-way audio support when paired with compatible NVRs

Additionally, the audio recording capability enhances evidence collection and provides valuable context to visual surveillance footage, making it ideal for retail, office, and educational environments.

Network Integration and Intelligent Features

The DS-2CD1123G2-LIU incorporates modern networking technology and smart capabilities:

• H.265+ intelligent compression reducing bandwidth and storage requirements by up to 80%
• Multiple network protocols including ONVIF compliance for third-party integration
• Remote viewing via mobile apps and web interfaces
• PoE (Power over Ethernet) support for simplified installation

Moreover, the camera includes intelligent video analytics such as line crossing detection, intrusion detection, and motion detection to provide proactive security alerts and reduce false alarms.

Durable Construction with Discreet Design

Engineered for reliability in indoor applications, the DS-2CD1123G2-LIU offers:

• IP67 weatherproof rating for protection against dust and water
• IK10 vandal-resistant housing for added physical security
• Operating temperature range from -30°C to 60°C (-22°F to 140°F)
• Low-profile dome design that blends seamlessly into various architectural styles

In addition, the 2.8mm fixed lens provides a wide 114° diagonal field of view, making it suitable for monitoring large indoor areas including lobbies, hallways, and retail spaces.

Ideal Users for the DS-2CD1123G2-LIU(2.8mm)

The Hikvision DS-2CD1123G2-LIU(2.8mm) is particularly well-suited for:

• Retail store owners seeking comprehensive surveillance
  • The audio recording capability captures customer interactions
  • 114° wide-angle view covers large areas with a single camera
  • Dual light technology ensures clear footage regardless of store lighting conditions
• Office and educational facility managers
  • Discreet dome design integrates well with professional environments
  • IK10 vandal resistance provides protection in public access areas
  • Built-in microphone captures important verbal exchanges or audible incidents
• Indoor security applications requiring 24/7 monitoring
  • Automatic switching between IR and warm light ensures optimal imaging
  • H.265+ compression allows for efficient long-term recording
  • Wide operating temperature range accommodates various indoor environments
• Small businesses with limited IT infrastructure
  • PoE support simplifies installation without requiring additional power outlets
  • ONVIF compliance enables integration with existing security systems
  • Remote viewing capabilities provide monitoring flexibility for small teams

Technical Specifications

Image Sensor and Video

• Sensor: 1/2.8″ Progressive Scan CMOS
• Resolution: 2MP (1920 × 1080)
• Frame rate: 30fps
• Min. illumination: 0.003 Lux @ (F1.6, AGC ON), 0 Lux with IR
• Day/Night switch: ICR (IR Cut filter Removal)
• Wide Dynamic Range: 120 dB

Lens

• Focal length: 2.8mm fixed lens
• Aperture: F1.6
• Field of view: 114° diagonal, 98° horizontal, 52° vertical
• Mount type: M12

Illumination

• IR range: Up to 30 meters (98 feet)
• Supplemental white light range: Up to 15 meters (49 feet)
• Light switching: Smart auto-switching between IR and white light
• IR wavelength: 850nm

Audio

• Built-in microphone: Yes (omnidirectional)
• Audio compression: G.711/G.722.1/G.726/MP2L2/PCM
• Audio bit rate: 64Kbps(G.711)/16Kbps(G.722.1)/16Kbps(G.726)/32-192Kbps(MP2L2)
• Two-way audio: Yes (with compatible NVR)

Network and Storage

• Network protocols: TCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, NTP, UPnP, SMTP
• Security: Password protection, HTTPS encryption, IP address filtering
• Compatible browsers: IE8+, Chrome 45+, Firefox 30+
• Storage: microSD/SDHC/SDXC card slot, up to 256GB

Video Compression

• Main stream: H.265+/H.265/H.264+/H.264
• Sub stream: H.265/H.264/MJPEG
• Third stream: H.265/H.264
• Bit rate control: CBR/VBR
• Bit rate range: 32 Kbps to 8 Mbps

Physical Characteristics

• Dimensions: Φ111 × 82.4 mm (Φ4.4″ × 3.2″)
• Weight: Approximately 410g (0.9 lbs)
• Housing material: Metal & plastic
• Power supply: 12 VDC ± 25%, PoE (802.3af, Class 3)
• Power consumption: Max 6.5W

Environmental

• Operating temperature: -30°C to 60°C (-22°F to 140°F)
• Operating humidity: 95% or less (non-condensing)
• Protection level: IP67, IK10

Smart Features

• Event detection: Motion detection, video tampering, exception
• Smart detection: Line crossing, intrusion detection, region entrance/exit
• Protocols: ONVIF (Profile S, Profile G, Profile T), ISAPI
• Client software: iVMS-4200, Hik-Connect