Specification Brand : ZerAph BulletPoint : 10 pcs 27mm*0.33mm Iron Piezo Disc for Buzzer Pressure Sensor Speaker BulletPoint1 : PZT5 material square piezoelectric ceramic plate BulletPoint2 : There are many different sizes, if you can not find the size you need in the options please contact us, tell us the exact size of the electrode you need (length width thickness) and special requirements, we can provide customization BulletPoint3 : 4 Pcs/set BulletPoint4 : Resonator and Housing: Resonator is used to enhance the quality of the sound, while the housing provides protection and directionality of the sound. Together, these two elements ensure the reliability and effectiveness of the buzzer. BulletPoint5 : Convenient Controls: Security buzzer system will continue to produce sound when connected to its rated power and it is very easy to control. This facilitates your use in various scenarios such as security alarms, notifications or reminders. ExternallyAssignedProductIdentifier : 9331924696606 ItemForm : Sheet ItemName : 4Pcs Square Piezoelectric Ceramic Sheet, PZT5 Quadrate Ceramic Sensor, Energy Transducer, Wafer Experiment, Piezoelectric Ceramic Sheet Electrode (48 * 48 * 0.8 mm, W*L*Thickness) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 8 centimeters ItemPackageDimensions_Width : 4 centimeters ItemPackageQuantity : 1 ItemShape : Square ItemTypeKeyword : piezo-transducers Manufacturer : CAULYS Material : PZT5 ModelName : JTLBeboif0zv46 ModelNumber : JTLBeboif0zv46 NumberOfItems : 4 PartNumber : CAULYS PZT5 Sheet ProductDescription : PZT5 material square piezoelectric ceramic plate ProductSiteLaunchDate : 2023-10-25T07:29:49.696Z Size : 48*48*0.8 mm Style : W*L*Thickness UnitCount : 1 UnspscCode : 30000000