This buzzer produces a single continuous tone when DC voltage is applied. It is loud enough to be heard and great for general alert system

Specification:

• Rated voltage: 12 V
• Working voltage: 6-24 V
• Rated current: ≤12 mA
• Sound pressure level: ≥95 dB
• Resonant frequency: 3000 ± 500 Hz
• Cable length: 17 cm
• Dimension
  
  • Diameter: 42 mm (excluding mounting tab)
  • Height: 16.2 mm