NEW OPEN BOX. The Swann HD Pro-Series HD 720P Security System is a top-of-the-line home surveillance system that offers high-quality video recordings in 720P resolution. With its 4 channel capability and 500GB storage capacity, this DVR provides reliable and comprehensive security monitoring for your home. The open box feature ensures that you are getting a brand new product at a discounted price, while still enjoying the benefits of a trusted brand like Swann.