Specification Brand : FIYA BulletPoint1 : Product Name : SMD Buzzer;Mounted Type : SMD BulletPoint2 : Rated Voltage : DC 3.6V;Operating Voltage : DC 2.5-4.5V BulletPoint3 : ConsumptionCurrent (Max.) : 100mA;Frequency : 2731Hz BulletPoint4 : Sound Pressure Level(Min) : 85dB;Size : 8.5mm x 8.5mm x 3mm/0.33" x 0.33" x 0.12"(L*W*T) BulletPoint5 : Weight : 2g;Package Content : 2Pcs x SMD Buzzer (Peso: 2g; Contenido del paquete: 2Pcs x SMD Buzzer Color : Multiple Colors ItemName : IIVVERR 2Pcs DC 2.5-4.5V 8.5mm x 8.5mm x 3mm SMD Electromagnetic Passive Buzzer Black (2Pcs DC 2.5-4.5V 8.5mm x 8.5mm x 3mm SMD Electromagnetic Passive Buzzer Black ItemTypeKeyword : electronic-component-resonators Manufacturer : IIVVERR Material : Other Material1 : silver Material2 : metal PartNumber : 286a622d9082f2d PowerSourceType : Manual ProductDescription : IIVVERR 2Pcs DC 2.5-4.5V 8.5mm x 8.5mm x 3mm SMD Electromagnetic Passive Buzzer Black (2Pcs DC 2.5-4.5V 8.5mm x 8.5mm x 3mm SMD Electromagnetic Passive Buzzer Black Feature: SMD Type, it is a good replacement of buzzer. Please note a passive buzzer needs an external oscillation circuit to operate. Característica: Tipo SMD, es un buen reemplazo del zumbador. Tenga en cuenta que un zumbador pasivo necesita un circuito de oscilación externo para funcionar.