In the past few years, plenty of companies have brought smart door locks to the market. The YRHAND THX1 is also worth a look. It is an app connected door lock that lets you share e-keys and codes with others conveniently. It can store 120 fingerprints and 150 passwords.
This door lock can not only secure your home but also track daily attendance of your employees. You can switch between passage and private modes from the app. The sound can also be turned off.[where to get it]