Hand Geometry From Recognition Systems, for the HandKey CM hand geometry readers, the same LockLink and LockLink Express access control management software used to program Schlage CM locks, Von Duprin CM993 exit trim and Locknetics universal controllers will now also program HandKey CM hand geometry readers. The computer-managed (CM) solution facilitates simplified, uniform access control administration. Multiple openings in an organization can be managed with a variety of stand-alone locking systems, now including biometrics, that share common software without any network wires. Recognition Systems