PA66 plastic + copper                                            <strong>Package weight:</strong> 0.135 kg <br />             <strong>Product Size(L x W x H):</strong> 6.5 x 5.5 x 5.0 cm / 2.6 x 2.2 x 2.0 inches <br />             <strong>Package Size(L x W x H):</strong> 15.5 x 12.0 x 6.0 cm                               <strong>Package Contents:</strong> 1 x DIY DC 12V 110dB Loud Security Alarm Siren Horn Speaker Buzzer                 <img src="http://des.chinabrands.com/uploads/2014/201412/heditor/201412181723216785.JPG" alt="Practical DC 12V 110dB Loud Security Alarm Siren Horn Speaker Buzzer for DIY Project" />