Main Features:<br />● Rated voltage: DC 12V<br />● Voltage range: DC 6 - 16V<br />● Sound pressure level: No less than 110dB<br />● Resonance frequency: 3000 +/- 500Hz<br />● Great for security alarm DIY project<br /><br />    Specifications<br />General<br />	 Material: PA66 plastic + copper                                                	<br />Weight and Size<br />	 Product Weight: 0.057 kg                                                  <br />                        Package Weight: 0.107 kg                                                  <br />                        Product Size(L x W x H): 6.5 x 5.5 x 5.0 cm / 2.6 x 2.2 x 2.0 inches                                                  <br />                        Package Size(L x W x H): 15.5 x 12.0 x 6.0 cm                                                	<br />Package Contents<br />	 Package Contents: 1 x DIY DC 12V 110dB Loud Security Alarm Siren Horn Speaker Buzzer                                                	<br /><br /><br /><br />                                                                                            <br />