Check the listing for details. Honeywell PEXBHON1 Piezoelectric Request to ExitButton - Single Gang. Condition: New. Listed at 14.98 USD. The Honeywell PEXBHON1 is a Piezoelectric Request to Exit (REX) Button designed for use in access control systems to allow individuals to exit a controlled area easily without triggering an alarm. The PEXBHON1 utilizes piezoelectric technology, which means it is highly durable and sensitive to light pressure, ensuring reliable operation with minimal maintenance. Its single-gang design allows for easy installation into standard electrical boxes, making it a convenient choice for retrofit and new installations alike. This button is perfect for securing areas such as entrances, exits, or restricted zones in commercial and industrial settings, where safe and secure egress is required. It is a practical, user-friendly solution for access control and security systems.