Diameter: 22.5mm, Height: 12mm

Sound transducer piezo, alarm, with built-in generator
• Resonant frequency: 3.3kHz
• Operating current: 12mA
• Operating temperature: -20…60°C
• Operating voltage: 12V DC
• Operating voltage range: 1.5…24 V DC
• Mounting holes pitch: 30mm
• Sound level: 85dB (d=0.3 m)