The RadioShack 3VDC Mini Buzzer is used for a wide variety of applications, including audible alarms and distance measurement. This 75dB Piezo electric buzzer operates on 2-4VDC, carrying a maximum 50mA current with a tame buzzer tone rating of 300-500Hz.

Wide variety of uses including audible alarms. Great for those DIY jobs or hobby projects

• 75dB Piezo electric buzzer
• Operating temperature: -20°C + 60°C, storage temperature: -30°C + 70°C
• Operating voltage (VDC): 2-4
• Rated voltage (VDC): 3
• Maximum current of rated voltage (mA): 50
• Frequency (Hz): 300-500
• Minimum sound pressure of rated voltage (30cm/3VDC): 75
• Tone: single, terminal: lead