To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
If you have an electromagnetic door and you want to exit, then you need to cut the power momentarily. This switch connect the power when pressed, it does not cut it. It may work with a third party relay, but will not work directly with a mag lock as the sellers diagram shows in the photos. It is just a simple push button that is off until pressed.