A door release button is a mechanism used to unlock or open a door, typically in controlled access environments such as offices, hotels, hospitals, and secure facilities. It's often part of an electronic access control system and serves as a convenient means for authorized individuals to exit a secured area. The door release button is connected to an electronic access control system. This system manages access to the door, controlling who can enter or exit. https://www.novusapl.com/Security-Door-Release-Button.php