The Honeywell NXD2 NetAXS-123 2 Door Add On Board is a web-based access control unit designed for use with the Honeywell  NetAXS-123 Access control system. This unit allows for the addition of up to 2 doors to an existing access control system. With its easy-to-use web-based interface, businesses and industrial facilities can efficiently manage access control for their premises. The Honeywell brand ensures reliable and high-quality performance in the realm of alarm systems and surveillance equipment.