27mm Piezo Transducer with Soldered Wire (Pack of 20) workwarehouse it can prevent people from

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You can choice between 6 levels/tones Japard Motorcycle Alarm can be used not only for bicycle

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27mm Piezo Transducer with Soldered Wire (Pack of 20) workwarehouse it can prevent people from27mm Piezo Transducer with Soldered Wire (Pack of 20) Material: brass and ceramic. Package included: 20pcs Product Features Made of brass and ceramic. Piezo pickup plate diameter 27mm, thickness 0. 3mm, wire length 2 1 8 inch. Resonant frequency 3. 6 + 0. 5 KHz, Resonant Impedance 200, Static Capacity: 28,00030%PF.