The door push rod lock has a strong structure, which prevents outsiders from entering the interior without permission, but allows people inside to go out in an emergency. When used without permission, it will sound a high-decibel alarm.The lock can be opened by pressing the lever on a certain part of the body. It is often used on the fire doors of fire exits to realize the emergency escape function in case of fire. Now it is used in densely populated places.

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