Includes all necessary hardware components; easy to install with a Phillips head screwdriver; for indoor use only. Fits door thickness of 1-3/8 inch to 1-3/4 inch; includes an adjustable latch to fit all standard door preparations. Operates by electronic keypad or traditional key outside and thumb turn lock inside. Customizable automatic door locking after 10-99 seconds for peace of mind. Create six customizable user codes plus single-use temporary codes for visitors or maintenance workers. Electronic single-cylinder deadbolt with customizable keyless entry, 1-touch/timed locking, and low-battery indication.Control Method:Touch.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.