3-24V Piezo Electronic Tone Buzzer Alarm 95DB Continuous Sound<br /><br />Description:<br /><br />Color: Black<br />Quantity:1 pc<br />Alarm Diameter:22mm/0.86"<br />Alarm Height:10mm/0.39&rdquo;<br />2 Mounting Holes distance:30mm/1.18"<br />2 Wires leng