Door Engineering and Manufacturing (Kasota, MN) recently introduced the Gatekeeper, its newest security and monitoring control system. Designed for use with new or existing door systems, it allows building owners to manage all building openings at one central control station with minimal wiring. The GateKeeper’scentral control station features a color touch screen that displays the building’s layout with indicator lights monitoring each door’s position. Users can control each door individually, or control all doors simultaneously. Its unique two-wire communication system connects the central unit to each entry in the building, minimizing field wiring.Visit www.doorengineering.com to learn more.