https://hunston.com.hk/product/Ultrasonic/Ultrasonic%20Speaker/USL51-20
USL51-20 | Ultrasonic Speaker | Ultrasonic | Hunston Electronics
Ultrasonic Speaker USL51-20 is 51mm,95dB,20khz,paper,transmitter,ultrasonic speaker,ultrasonic animal repeller,piezo loudspeaker,piezoelectric tweete, Length...
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