Warning Bell Sound What is someone doing here? Favorite

Description

The sound of a warning siren, a dog barking, "What is someone doing here?" is a security warning signal, reminding of illegal intrusion. The notification speaker emits warning sounds, anti-theft sirens, and emergency alarms, helping to protect the area and prevent strangers. Synonyms that can be used: alarm, warning signal, siren, security announcement, anti-intrusion sound, danger warning.