This smart lock offers versatile access options, including unlocking via smartphone app, touch keypad, two physical keys, or Usb emergency power when batteries are depleted. It fits left- or right-hand doors with thicknesses from 1.38 to 2.16 inches and can be installed quickly using just a screwdriver. Built to meet Ansi standards, it has been tested for over 100,000 lock/unlock cycles and is rated IP54 for dust and water resistance. The lock features smart safety functions such as an adjustable auto-lock (0-30 seconds), one-touch locking, temporary passwords, and low-battery alerts.