5V Continuous Piezo Active Buzzer

Features: 100% Brand New! It made of oscillator, the electromagnetic coils, magnets, diaphragm and housing and other components. After powered on, the audio signal generated by the oscillator current through the solenoid coil, the electromagnetic coil generates a magnetic field. Entangled in the diaphragm and the magnet solenoid Specifications: Voltage: 3.5-5.5V Current: ＜25mA Frequency: 2300±500Hz(around) Diameter: 12mm Thickness 9.5mm Color: Black