What is the difference between a key lock core and a keyless lock core?

Key lock cylinder: you should open the door by a key. It usually divided into two types, single key lock and double keys lock.

Single key lock: when you get inside the room, you need to use a key to open the door. When you are inside the room, you just need to turn the bolt to lock and unlock the door.

Double keys lock: you need to use a key to lock or unlock the door when you go outside and inside.

Key lock cylinders are usually used in bedrooms, study rooms, living rooms, main doors and some rooms that require a high safety factor.

keyless lock core: no need to open the door with a key. It can divided into two types as well, lock and unlock.

Keyless lock cores are often used in bathroom and children's room.

If there is a locking and emergent situation, the door can be rotated to unlock by means of using a coin. It is convenient and quick. This kind of lock can secure the safety of the elderly and children at home.

Keyless unlock cores are used in kitchen, dining room, storage room, exit, passage and some places where need the doors but no need to lock the doors.You just need to use the door handle to open the door.