A button commonly found in public facilities. When pressed, a loud emergency bell or voice guidance blares throughout the entire building. Simultaneously, the receiver in the management room displays which floor's button was pressed, and linked systems may automatically call 119 or force elevators to stop at the nearest floor.

A button located inside an elevator. When pressed, it allows for a voice call with the building management company or the operator at the disaster prevention center.

A button installed on train station platforms. When pressed, an alarm echoes through the station, and security camera footage of the platform is displayed prominently in the station office.

The "Emergency Brake" button on a public bus. When pressed, an announcement saying "Emergency stop in progress" plays inside the vehicle, hazard lights flash, and the horn blares.

The "Emergency Stop" button for a multilevel parking garage. When slammed, power to the moving giant pallets and chains is instantly cut, and they lock firmly in place on the spot.

When pressed, they trigger various reactions depending on the specific purpose of each button.