Simple piezo buzzer. 5V in, beep/buzz out.

• Current Rating:8mA
• Tone Output Type:Continuous
• External Diameter:23.8 mm
• Self Resonant Frequency:3.1kHz
• Sound Level SPL:88dB
• Sound Level Distance:30 cm
• Colour:Black
• Connector Type:Flying Leads
• Current Consumption:8mA
• Device Type:Alarm
• External Length / Height:14.5 mm
• Fixing Centres:29 mm
• Frequency:3.1kHz
• Voltage, Supply DC Max:20V
• Voltage, Supply DC Min:3V
• Weight:4.5g