PRIVACY: No keys; The latch bolt can be locked by thumb turn button on the inside knob. An emergency release tool can unlock the door from the outside. fit for Bedroom and Bathroom Doors
ENTRY KEYED: Each entry lock with 3 keys; The key outside and thumb turn inside; fit for exterior or interior doors. Keyed Alike function are available!
PASSAGE: P assage door knob have no locking function and are free turning on both sides. These levers are perfect for a hallway or closet where a lock isn't necessary. Passage levers can also be used in conjunction with a deadbolt to secure an entrance or back door.
DUMMY : Non-Turning Lock,Just like a door handle.Usage: Mostly Interior use,just like a door handle, usually for french door balcony corridor closet and cabinet!
The keyed entry function is ideal for exterior doors or bedroom bathroom interior locking doors. Keyed entry door locks have a keyed cylinder facing the outside of the home that can only be opened with a key and a thumb turn on the interior.
Deadbolts are operated by key outside and thumb turn button inside. Usually they could be used on exterior doors where keyed entry and security is needed.