Alpha Security Door Chain is not just a door chain but a quality guard on your door with a modern look. Alpha Door Chain is made out of Stainless Steel and chrome. We also Added a leatherette cover to protect the chain of making noise. As you can see in order to release the actual chain you will have to press the button to take it out and only then the door could go open. Our engineers have took that as a very important security question and made it happen on this beautiful Alpha Door Guard. Just like any other Nova Hardware products Alpha is also covered by a lifetime warranty and will be replaced free if it decides to give up on you.