خارجیزنگ اخبار پیزوالکتریک با سیم، صدای برتر

فرکانس رزونانس: ۴.۰±۰.۵ کیلوهرتز
حداکثر ولتاژ مجاز:30 وی پی-پی
ولتاژ نامی: ۵وی پی-پی

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