The biometric lock work on a fingerprint scanning mechanism. In this system, the locksmith installs two different locking setups, both of which are interlinked to each other. The first locking setup is called the lock body which is installed generally on the door, for providing input directly by the person and the second setup is the actual lock which is placed as a hinge within the door and pillar. After getting the data from the fingerprint scanner, the whole system automatically senses its authenticity after matching the data provided as input with the data stored in the memory. After successful authentication, the system allows the process of unlocking. Biometric locks are considered as the best for maintaining a healthy secure atmosphere. Locksmith Sugar Land Tx is good in understanding such locks and promotes its use heavily within the commercial areas. Now days the use of biometric locks is also observed within the apartment areas.