What does the term "resolution" refer to in CCTV cameras?

The term "resolution" in the context of CCTV cameras specifically refers to the clarity and detail of the video image produced by the camera. Resolution is typically measured in pixels; for instance, a camera with a higher resolution, such as 1080p or 4K, can capture more detail, resulting in sharper and clearer images. This is crucial for identifying details like facial features or vehicle license plates, especially in surveillance applications where high clarity is necessary for accurate monitoring and evidence collection.

Understanding resolution is essential for selecting appropriate cameras for specific environments or needs. Higher resolution cameras are generally preferred in settings where detail is paramount, such as in areas requiring identification or when capturing small text. Factors like storage capacity and bandwidth also play a role, as higher resolutions require more storage space and higher transmission speeds to maintain the quality of the footage.