Picaxe Piezo Disc Diaphragm 27mm

1. Size: Diameter 27mm, Thickness 0.43mm

2. Material: Metal and Ceramic

3. Metal type: Brass, Nickle, Stainless steel, Ferric

4. Frequency: 3.9k Hz

5. Clear sound, No noise

6. Rich experience manufacturer since 1991, No MOQ