EASILOK Mechanical deadbolt Lock Entry Door locksets with Twist to Keyless Dead Bolt Locks for Exterior Doors Single Cylinder Bo

KEYED Single Cylinder Dead Bolt :Use on doors requiring a high level of security, Twist-to-Lock door deadbolt lock without any keys mechani: A simple twist is all it takes, you can ask your family or friends lock the door up when you take the keys away（but you have to unlock the door by keys)An Anti-Mislock Button built-in on exterior knob which Safeguard against unintended twist mechani, ensuring you have full control over the "twist to lock" feature; That means: when you don’t need the "twist to lock" mechanism feature you can lock the Anti-Mislock Button,then the "twist to lock" feature disappeared.EASY INSTALL: Do it yourself, installs on any standard size door in minutes with just a screwdriver, no special tools needed, detailed directions providedTwist-to-Lock mechanism features especially convenient for elder people children disabled people people with hands full on apartment front door garage door side door shed door basement door back door of apartment and resident house security locks for doors FITS STANDARD DOORS: Fits standard size doors 1-3/8” to 1-3/4” thick, the latch backset is adjustable from 2-3/8” to 2-3/4” with just a twist during installationBuilding upon the mechanical classic Deadbolt design, we've added some fantastic new features which tailored gives you more options. This Deadbolt offers a range of selectable functions.