This Video DVR set includes both the IDVR-PRO4A and IDVR-PRO8A models, which are compatible with USB 3.0 ports and can capture video in digital format. They come with new HDD for added convenience. Ideal for those looking to upgrade their existing system or for new users seeking a reliable video capture solution.With these Video DVRs, you can easily capture and record high-quality digital video from a variety of sources. These devices offer exceptional performance and ease of use. In great condition, this set is a great value for anyone looking to enhance their video capture capabilities.