Audible Alarm/Voicenihonkasetsu2020-07-08T08:09:32+02:00 Project Description Audible alarm / Voice anunciator Compact desigsn with sound output of 110 dB at 1 m. (model deppending) IP65 rating and vibration resistant.(model deppending) Buzzer sound or MP3 Playback deppending on model. Can be connected directly to one of the digital outputs in the eComo CPU.