A biometric door lock is an innovative creation that allows homeowners to gain easy access to their house without using keys. This invention enables the owner to operate the door lock by using a fingerprint instead of physical keys, which can be easily mislaid. In addition, they allow a faster means of getting in compared to traditional locks. However, the owners should consider several factors when choosing the best option from the many available in the market. They include the accuracy of fingerprint recognition, the number of users the lock can accommodate, backup battery, emergency access, and installation service. Lockin Singapore is an excellent company that offers digital locks to ensure convenience and security in residential houses. As a result, every homeowner must consider the features when looking for the best-fitted invention in their houses.