Oops. Verkaufsverbot für einige Sprachalarmsysteme (Variodyn One INC) der Firma #ESSER. Wird z.B. in Brandmeldeanlagen zur Evakuierung eingesetzt.
"The alarm volume is not sufficiently high and could not be noticed in the event of an emergency. People might not notice the alarm and get injured "
https://ec.europa.eu/safety-gate-alerts/screen/webReport/alertDetail/10098203?lang=en