Alarm buzzer

• Sound pressure: 90 dB (30 cm distance)
• 2,800 Hz continuous sound
• Power supply: DC 9 V/40 mA
• Voltage range: DC 6-11 V
• Hole distance: 34 mm
• Ø 28 mm x 20 mm
• Admissible ambient temperature: -20 °C to +60 °C