Keyless Entry Door Lock: Multiple ways to unlock your door, fingerprint, passcode, fobs, app or physical keys. Never worry about forgetting your keys and lock yourself out. Auto-lock is enabled in case you forget to lock the door on the way out. Due to the lock size, it may interfere with storm doors. Fingerprint Door Lock: Built-in quick and secure fingerprint sensor, unlock your door in 1 second. It's faster than fumbling for your keys, make your life safer and more convenient. Easy Installation without Extra Drilling: Easy to install Olumat smart door lock in minutes with just a screwdriver, Reversible handles are suitable for both left handed and right handed doors. Remote Control: If paired with Olumat WiFi Gateway (Optional Add-on, Sold Separately), you can lock/unlock your smart door lock anytime anywhere, set up passcodes remotely and check real-time access logs, and voice control with Alexa. Multiple Ways to Use: The electronic door lock can be used in home, office, store or rental houses, it's easy to share one-time passcode to your visitors. Your advise is very important smart door lock