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Werma Signaltechnik Electronic Multi Tone Sounder Werma Signaltechnik 140.120.55, The Werma Signaltechnik 140.120.55 is a Multi Tone Electronic Buzzer with an adjustable sound output of up to 110dB, making it suitable for large areas. The buzzer has a wide operating voltage of 9 28V DC and 32 tones that are ideal for varied applications, two of which can be controlled externally. Werma Signaltechnik 140.120.55 Multi Tone Electronic Buzzer 93mm 110dB
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