Description

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

The DS-2CD1123G2-LIU(2.8mm)  is a feature-rich dome IP camera by Hikvision, offering high-definition video, night vision options, audio recording, and smart functionalities. Here’s a breakdown of its description, components, how it works, and uses:

Description:

• Dome Camera: This refers to the camera’s dome-shaped housing design, commonly used for indoor or outdoor applications (depending on the weatherproof rating).
• 2MP Resolution: Captures video with 2 megapixels, offering good image quality.
• Smart Dual Light: Likely refers to a combination of white LEDs and infrared (IR) illuminators for enhanced night vision, with potential smart controls.
• Microphone: Allows the camera to capture audio along with video footage.
• 2.8mm Lens: This indicates the focal length of the lens, which likely offers a wider field of view suitable for monitoring larger areas.

Components:

• Lens: (2.8mm focal length) This captures light from the scene being monitored.
• Image Sensor: This electronic device converts light into an electrical signal. The 2MP (megapixel) indicates the resolution of the camera (number of pixels captured).
• Image Processor: This chip processes the electrical signal from the image sensor to create a digital video image.
• White LEDs: These LEDs provide illumination in low-light conditions for color night vision.
• Infrared (IR) Illuminator LEDs: These LEDs emit infrared light invisible to the human eye but can be picked up by the camera sensor. This allows for night vision even in very low-light conditions.
• Microphone: This captures audio along with the video footage.
• Network Interface Card (NIC): This chip allows the camera to connect to a computer network and transmit video and audio data over Ethernet cable.
• Housing: The weatherproof housing protects the camera’s internal components (dome-shaped in this case).

How it Works:

1. Light Capture: The lens focuses light from the scene onto the image sensor.
2. Signal Conversion: The image sensor converts the light into an electrical signal.
3. Image Processing: The image processor processes the electrical signal to create a digital video image.
4. Daylight Operation: In well-lit conditions, the camera captures color images and audio.
5. Low-Light Operation: In low-light conditions, the camera’s “Smart Dual Light” technology might come into play. It could involve:
   • White LEDs activating: These can provide illumination for color night vision depending on the smart settings.
   • IR LEDs activating automatically or based on settings: These provide night vision even in very low-light conditions, with the microphone still capturing audio.
6. Video and Audio Transmission: The camera transmits the digital video and audio data over the network using the Ethernet connection. This data can be viewed live on a monitor or recorded for later playback.

Uses:

• Home Security: Monitoring common areas inside or outside a residence (depending on weatherproof rating), with the benefit of color night vision (depending on smart settings), audio recording, and potential motion detection for comprehensive security.
• Business Security: Surveillance of indoor areas like offices, lobbies, or warehouses (or outdoor areas depending on weatherproof rating) with audio recording and potential motion detection for enhanced security.
• General Surveillance: Monitoring public spaces indoors (malls, waiting areas) or outdoors (depending on weatherproof rating) with the added benefit of color night vision (depending on smart settings), audio recording, and potential motion detection for around-the-clock security (depending on the specific location’s regulations).