DVR

Hikvision and Dahua DVRs are digital video recorders (DVRs) used for security surveillance. They are usually connected to cameras and other security devices, and record video and audio data to a hard drive. Both brands offer a range of DVRs with various features, including motion detection, remote access, and multiple camera inputs. Hikvision DVRs tend to be a bit more expensive than Dahua models, but both offer reliable performance and a variety of features.