• 30mm Buzzer (body size given, like every component)
• EARs pitch is 40mm
• Height is 14.70mm
• Rated Voltage: 12V DC
• Operation Voltage: 3-24V DC (power will vary with voltage)
• Sound output: >85db @12V @10cm
• Resonant frequency: 3000HZ +-500Hz
• Wires length about 100mm
• Variation options are for CONSTANT or Intermittent (Beeps like reversing lorry) sound. Also in Black or White.