EXIT DEVICE is a kind of lock used on the emergency exit doors of supermarkets, large shopping malls, hospitals, schools, etc. It has the function of preventing outsiders from entering the interior without permission and allowing the insiders to go out freely in an emergency. When it is licensed for use, it will emit a high-decibel voice alarm, and it can only be stopped and resumed with the correct key. The safety of fire escapes in schools, hospitals, and other places have extremely high requirements. Next, let's take a look at the related introduction of EXIT DEVICE.