IDEAL USE: Privacy function is perfect for use on bedroom and bathroom doors where locking may be desired; push button automatically unlocks from the inside when the door handle is rotated or from the outside in an emergency with the included pin key EASY INSTALLATION: Self-aligning screw holes make installation hassle-free; everything included to upgrade existing interior single bore hole doors yourself in minutes with only a screwdriver; fits both right and left handed doors CERTIFIED HIGHEST DURABILITY: Premium metal construction and quality craftsmanship for everyday strength and peace of mind; Grade 2/AAA certified BHMA rating for Security, Durability and Finish HASSLE-FREE FIT: Universal latch slides easily into place without tools to fit standard doors with 2-3/8" or 2-3/4" backset; fits door thickness 1-3/8" to 1-3/4"; includes both radius and drive-in faceplate for flexibility TRUSTED WARRANTY: Schlage locks are backed by a limited lifetime mechanical and finish warranty, and a 3-year electronics warranty; see Schlage warranty for full details