HD-CVI (High-Definition Composite Video Interface) cameras are popular because they can send clear video over long distances. Dahua developed HD-CVI in 2012, which became widely available in 2014. Since then, it has become a preferred option for numerous surveillance systems.

One of the key advantages of This technology is its use of coaxial cable for transmitting video. People who want to upgrade their surveillance cameras can use this type of cable. The coaxial cable can send clear images from 1312 feet (399.9 m) to 1640 feet (499.87 m) away.

Both video formats provide clear and sharp images. Even with analog technology, Those cameras can produce video quality comparable to that of IP cameras. People who want high-quality pictures without spending more money on cameras and network equipment should consider them.

Another advantage of HD-CVI is its easy installation process. You don’t need any extra tools to connect the coaxial cable to the back of the DVR. You can use the coaxial cable from old CCTV systems to upgrade your current system. Collsam’s HD-CVI cameras can work with older analog SD DVRs by choosing HD or SD mode. This makes them a good choice for different types of surveillance.

Overall, HD-CVI offers a great balance between high-definition video quality, ease of installation, and cost-effectiveness. It’s great for surveillance stuff because it works with coaxial cable and supports both HD and SD modes. Analog CCTV cameras will become more popular as HD-CVI gets better.