NDE Series wireless locks were developed specifically for facilities that want to upgrade to electronic credentials for improved security and efficiency. They are ideal for interior office doors, common area doors and sensitive storage spaces with a cylindrical door prep. When connected to the ENGAGE Gateway, NDE Series locks can offer real-time access control with software from one of our access control alliance partners. §§ Built-in door position sensor on the lock and strike plate eliminates the time and cost to install §§ Fits standard mechanical cylindrical door prep with no additional holes §§ Compatible with most leading key systems