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    Dahua A82AG52 download pdf for Dahua  A82AG52

    Dahua - 4K HD-CVI Eyeball Camera, 1/2" CMOS, ICR, 0 Lux with IR, 3840x2160 @15fps, 2.8mm Fixed Lens, IP67 Rated, 12VDC, True WDR, 2D/3D DNR, Built-in Microphone, IR Range: Up to 50m.

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    Dahua  A82AG52

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      Dahua A82AG52

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      Dahua 4K HDCVI Vari-focal Eyeball Camera

      Experience the superior clarity of Dahua's Ultra 4K HDCVI cameras for vast coverage and superior image details. Dahua Ultra 4K HDCVI series leverages existing coax infrastructures to deliver forensic-level images seamlessly and over long distances. The 4K HDCVI camera uses next-generation ISP chip technology developed by Dahua to deliver stunning video. This home-grown ISP features the latest image processing algorithms and is optimized for surveillance camera operations. With total control of the ISP features and production, Dahua can offer the latest security systems at a cost-effective price.

      Key Features:

      • 1/2-in. 8 MP Progressive Scan CMOS Sensor 
      • 4K (3840 x 2160) at 15 fps Maximum Resolution 
      • 3.7 mm to 11 mm Motorized Optical Zoom Lens 
      • Starlight Technology for Ultra Low-light Applications 
      • True Wide Dynamic Range (120 dB) and 2D/3D Noise Reduction 
      • HD or SD Output, Switchable 
      • Maximum IR length 60 m (197 ft), Smart IR 
      • Dual Power Input, 24 VAC or 12 VDC Power Supply 
      • IP67 Ingress Protection
      Three Signals over One Coaxial Cable

      HDCVI technology simultaneously transmits video, audio and data over a single coaxial cable. Dual-way data transmission allows the HDCVI camera to communicate with an HCVR to send control signals or to trigger alarms.

      Starlight Technology

      For challenging low-light applications, Dahua’s Starlight Ultra-low Light Technology offers best-in-class light sensitivity, capturing color details in low light down to 0.005 lux. The camera uses a set of optical features to balance light throughout the scene, resulting in clear images in dark environments. 

      Long Distance Transmission

      HDCVI technology guarantees real-time transmission over long distances without loss of video quality. HDCVI cameras provide the same resolution as most IP network camera systems using existing RG-59, RG-6, or CAT 6 UTP cabling.


      HDCVI technology seamlessly integrates traditional analog surveillance systems with upgraded, high-quality HD video, making it the best choice to protect security investments. The plug and play approach enables full HD video surveillance without the hassles of configuring a network.

      Broadcast-quality Audio

      Audio information is used as supplementary evidence in video surveillance applications. This HDCVI camera transmits audio signals over the coaxial cable, eliminating the need for separate audio wiring. In addition, the camera uses unique audio processing and transmission technology that eliminates noise to best duplicate source audio, guaranteeing high-quality and highly effective audio information.

      Multiple-format Support

      The camera supports multiple video formats including, HDCVI, CVBS, AHD, and TVI. The camera can switch between these four formats via the OSD menu or the switch located on the video output cable, making the camera compatible with not only HDCVI DVRs but also most existing HD/ SD DVRs.

      True Wide Dynamic Range

      The camera achieves vivid images, even in the most intense contrast lighting conditions, using industry-leading wide dynamic range (WDR) technology. For applications with both bright and low lighting conditions that change quickly, True WDR (120 dB) optimizes both the bright and dark areas of a scene at the same time to provide usable video.

      Advanced 3DNR

      3DNR is noise reduction technology that detects and eliminates random noises by comparing two sequential frames. Dahua’s advanced 3DNR technology delivers remarkable noise reduction with little impact to sharpness, especially under limited lighting condition. 3DNR, in addition, effectively decreases the bandwidth and saves storage space.


      The camera allows for ±30% input voltage tolerance, suitable for the most unstable conditions for outdoor applications. Its 4KV lightning rating provides effective protection for both the camera and its structure against lightning, and its IP67 ingress protection make it the choice for installation in even the most unforgiving environments.


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