Armored door with innovative cash lock Lock Trap System in high class of burglary resistance. Thanks to constant development, Dierre has created a new Lock Trap System cash lock with protection against tampering. When trying to break in, Lock Trap locks the lock and prevents the door from unlocking. After removing the used burglary tool, it is enough to turn the key in the lock and the lock will unlock. Dierre’s patented MIA cash register system allows the lock to be recoded countless times. In case of loss or theft of a key, you can quickly and easily change the confidentiality and the lock works with new keys. You save time and additional costs for locksmith services. The lock is protected on the outside