BQLZR Black 3V Electromagnetic Type Piezo Buzzer Continuous Sound Pack of 20

Note: The color of the item may vary slightly due to photography and your own computer
Widely use in computers, printers, copiers, alarms, electronic toys, automotive electronic equipment, telephones, timers and other electronic products for sound devices.
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: 3V
Current: less than 35mA
Frequency: 2300Hz(around)
Diameter: 12mm
Thickness 9.6mm
Color: Black
Weight: 35g

Package included:
20 x Piezo Buzzer