The SOLITY Smart Door Lock GM-1000BK is a smart door lock that provides multiple ways to unlock your door. It can be unlocked using a password fingerprint RFID physical key or Bluetooth. This offers a range of convenient options for accessing your home and you can choose the one that works best for you. The lock is designed to fit doors that are between 30-60mm thick and it comes with all the necessary hardware for installation. The lock is also rated for high temperature resistance which means it can withstand extreme temperatures without malfunctioning. One important security feature of this lock is that it has a mechanism to detect break-in attempts. If someone tries to force the lock or break it the lock will activate an alarm to alert you and deter the intruder. In addition the lock has a limit to the number of unregistered password attempts which means that after a certain number of incorrect password attempts the lock will stop accepting any further password attempts until the owner registers the lock again. This helps prevent unauthorized access to your home. Overall the SOLITY Smart Door Lock GM-1000BK provides a reliable and convenient way to secure your home with multiple unlocking options and robust security features.