Perhaps most people know how to use their access card system. It’s simply just present your card near to the card reader and within second, your door lock will open automatically. But, do you know whats make your door lock even you didn’t lock it?

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Tags: access control, Electromagnetic Lock, em-lock

Take a look at this picture and find it somewhere near to your door, make sure you are from inside the door. Yes, that is EXIT PUSH BUTTON.

Exit Button

You just need to push or press at the center area and the door will open for you immediately. In normal condition or area open to public, this Exit Push Button will be installed beside your card reader (from inside) and will give convenience to your visitor or anyone to exit from your door.
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Tags: access control, button, door access, Exit Button, push button