Reverse Smart Alarm with self-adjusting feature which
automatically changes the sound output level to a minimum
of five (5) dB above the surrounding noise levels as per rated
specifications (77-97dB ± 3dB).verse Smart Alarm with self-adjusting feature which
automatically changes the sound output level to a minimum
of five (5) dB above the surrounding noise levels as per rated
specifications (77-97dB ± 3dB).et