GFORTUN 15PCS Active Piezo Buzzer Alarm 12mm Dia DC 5V 2 Terminals Electronic Continuous Sound High Voice Industrial Sounder FPV Quad DIY

Description Package include: 15pcsX Electronic Alarm Buzzer; 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 Features & details Features Product Name : Electronic Alarm Buzzer; Sound-making Type : Continuous Sound; Body Size: 12 x 9.5mm / 0.47" x 0.37" (D*T); Pin Pitch : 7mm / 0.27"; Terminals: 2 terminal; Rated Voltage : DC 5V; Current: less than 25mA ; Frequency: 2300Hz(around) Material : Plastic, electronic parts; Color: Black;