Q
What is Dahua 6MP CVI technology?
A
Dahua 6MP CVI (Composite Video Interface) is an analog HD video transmission standard that delivers 6-megapixel resolution over coaxial cable, combining high-definition imaging with cost-effective installation.
Q
What image resolution does a Dahua 6MP CVI camera provide?
A
A Dahua 6MP CVI camera delivers 3072×2048-pixel video at up to 15 frames per second, providing detailed surveillance footage suitable for facial recognition and license-plate reading.
Q
Can Dahua 6MP CVI cameras transmit video over existing coaxial cables?
A
Yes, Dahua 6MP CVI cameras use standard RG59/RG6 coaxial cable for video transmission up to 800 meters at 6MP, enabling seamless upgrades over legacy analog infrastructure.
Q
What is the maximum transmission distance for Dahua 6MP CVI?
A
Over RG59 coaxial cable, Dahua 6MP CVI supports up to 800 meters; using RG6 extends this range to 1,000 meters without signal boosters.
Q
What lens options are available for Dahua 6MP CVI cameras?
A
Dahua 6MP CVI cameras offer fixed, varifocal (2.7–12 mm), and motorized zoom lens options for flexible field-of-view adjustment to match diverse surveillance scenarios.
Q
Do Dahua 6MP CVI cameras support infrared night vision?
A
Yes, they feature built-in infrared LEDs with an effective night-vision range of up to 50 meters, ensuring clear black-and-white imaging in complete darkness.
Q
What is the ingress protection rating of Dahua 6MP CVI cameras?
A
Most Dahua 6MP CVI cameras are rated IP67, offering dust-tight sealing and resistance to water immersion up to 1 meter for 30 minutes, suitable for indoor and outdoor use.
Q
Are Dahua 6MP CVI cameras compatible with standard DVRs?
A
Yes, they are backward-compatible with DVRs that support HD-CVI, CVI 5 MP, CVI 4 MP, AHD, TVI, and analog CVBS signals, facilitating multi-technology integration.
Q
Which video output formats do Dahua 6MP CVI cameras support?
A
Dahua 6MP CVI cameras support CVI, CVBS, AHD, and TVI outputs, enabling versatile connection to various recorders and monitors through BNC connectors.
Q
Do Dahua 6MP CVI cameras feature motion detection?
A
Yes, integrated motion-detection algorithms trigger alerts and recording on predefined areas, optimizing storage use and enhancing event monitoring.
Q
Can Dahua 6MP CVI cameras integrate with third-party security systems?
A
Dahua 6MP CVI cameras support ONVIF Profile S compliance and relay output, enabling smooth integration with NVRs, access control, and building management systems.
Q
What are the power requirements for Dahua 6MP CVI cameras?
A
Dahua 6MP CVI cameras typically operate on 12 VDC or 24 VAC, consuming around 5 W; Power over Coax (PoC) models eliminate separate power runs over long distances.
Q
How do I configure the OSD menu on a Dahua 6MP CVI camera?
A
Use the onboard joystick or OSD control buttons at the cable end to access and navigate the camera’s menu for exposure, white balance, and image enhancements.
Q
What mounting options are available for Dahua 6MP CVI cameras?
A
Dahua 6MP CVI cameras offer wall, ceiling, pole, and pendant mounts with adjustable brackets, enabling precise positioning and field-of-view customization.
Q
What are the typical applications for Dahua 6MP CVI cameras?
A
These cameras excel in retail, transportation, education, and perimeter security, providing high-resolution imaging for detailed monitoring and forensic analysis.
Q
How do I update the firmware on a Dahua 6MP CVI camera?
A
Download the latest firmware from Dahua’s official support site and upload it via the DVR’s firmware upgrade function or through the camera’s OSD menu.