A non tested night latch can be used for access but it must be supported with a tested lock so you would have two locks on the door.
Types of quick install door locks.
Amazon when the key fits the cylinder the pins.
Affordable secure and simple to install.
Doorknob lock is one of the most common bedroom door lock types.
They are available in many different styles from round to egg shaped and various finishes to match you style.
The main types of deadbolts that exist are the single cylinder deadbolt and the double cylinder deadbolt.
The best lock for a wooden door is a lock that meets the requirement of bs3621 the type of lock fitted can be a night latch mortice deadlock or mortice sash lock.
Amazon the cylinder is the part of the lock where the key goes.
Entry door knobs are the most common types of door locks.
The addalock travel door lock is an easy way to instantly add to the security of any door lock.
This portable door lock is a small slim device that travels easily in your backpack purse or suitcase and can be installed on many different types of doors.
This lock type usually has a single or double cylinder mechanism depending on the product.
The relevant difference between these two deadbolt door lock types is that the single cylinder has a keyed cylinder on one side of the door whereas the double cylinder makes use of a keyed cylinder on both sides of the door.