This simple piezo buzzer operates on 3 to 24 V DC battery. It's at home in the science classroom or when used in your Arduino project. Mounting holes are included.
Operates on 3 to 24 V DC.
Rated Voltage: 12V Voltage Range: 3-24V DC Rated Current: <12mA 90dB Resonant Freq: 3000+/-500Hz Weight: 4g Size: @1" x 1/2" / 23mm x 12mm