Place it at the start of a fake alert sequence to set the emergency frame, then follow it with the Fire Alarm Sound Effect for an indoor warning layer, and finish with the Shocked Meme Sound Effect on the reaction face.
關於此聲音
This clip is the Dutch luchtalarm, an 11-second public warning siren with a steady mechanical tone that rises and falls in repeating waves. It feels urgent and tense, turning attention sharp the moment it starts. It comes from the Netherlands, where the siren is used for emergency alerts and heard during regular nationwide tests.