CODELOCKS 600 Mechanical Digital Locks 600 series Back to Back PVD Brushed Steel

Traditionally, changing the code on a mechanical lock requires the
lock to be removed from the door; the CL600 however, features
QuickCode functionality allowing on the door code changes in
seconds. The CL600 QuickCode brings significant advantages to
commercial users such as hospitals, schools and local authorities.
The locks allow for various ways of managing entry by code, key or
code free access via full size lever handles.