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5vdc piezo buzzer
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High Frequency Diameter 30mm 38mm 41mm 51mm Optional Ultrasonic Mouse Repellent 25khz Piezo Tweeter Alarm Buzzer Piezoelectric ultrasonic horn sound ...
2026-06-28 00:26:54
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Electric alarm buzzer security alarm whistle Motorcycle electric vehicle horn 4218 60VDC Part No:TM-4218-60LB-WJ320 1 Rated Voltage (VDC) 60 2 ...
2026-06-28 00:26:54
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China Manufacturer High Quality 41mm 90dB 4.5KHZ piezo ultrasonic speakers 1. 4.5khz ultrasonic speaker Description 38mm 41mm 51mm 40khz inductance ...
2026-06-28 00:26:54
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