3PCS DC 3-24V 90db Cicalino Elettronico Piezo Attivo Suoneria Allarme Suoneria Contino

Response frequency: 3±500Hz. SOUND TYPE: continuous sound,No need to drive, it will make a sound when power is on. Power Source DC Powered. Noise Level 90 Decibels. Color black. Item model number SFM-27-W.

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