in this modern time,people requires much convenient, much powerful on their access control systems, jade universe zm series mechanical keyless digital door lock will meet your requirements.

with "no card, no key, no battery, no wire" features and it offers the easiest way to change the codes within several seconds without removing the lock from door.

it offers unparalleled strength, there are mostly internal drive parts of cast stainless steel abd zinc alloy outer finish design, suitable for many applications.