Designed Security, Inc. has announced the Entry Sentry tailgate detection system. Designed to be affordable, versatile, and easy to install, Entry Sentry uses 32 infrared sensors to detect tailgating through any door or hallway,setting off an alarm when more than one person enters at a time. Its advanced sensor technology recognizes inanimate objects, while adjustable sensitivity helps eliminate false alerts. This smart and simple solution can be configured to trigger local or remote alarms and integrates with access control systems.DSI also offers door alarms, annunciators, pushbuttons, key switches, tailgate detection and mantrap systems. Visit www.dsigo.com.