Main Features:<br />Small anti-theft devices support 120db loud sound ( won't hurt your ears ) to deter thieves<br />Just pull the keychain from its socket to trigger the siren<br />Anti-theft gadget with keychain for easy carrying<br />Powered by replaceable 12V 23A battery ( the product is with one )<br />Great tool for self-defense， calling help while you are in danger<br /><br /><br /><br /><br /><br /><br /><br /><br />    Specifications<br />General<br />  Type: Other Camping Gear                                                  <br />                        Material: Plastic                                                 <br />Specification<br />  Color: Yellow， Blue， Pink                                                 <br />Dimension and Weight<br />  Product weight   : 0.040 kg                                                  <br />                        Package weight   : 0.160 kg                                                  <br />                        Product size (L x W x H)   : 6.0 x 4.0 x 2.0 cm / 2.36 x 1.57 x 0.79 inches                                                  <br />                        Package size (L x W x H)  : 18.0 x 10.0 x 2.3 cm / 7.07 x 3.93 x 0.90 inches                                                 <br />Package Contents<br />  Package Contents: 1 x Self Defense Alarm Device                                                 <br /><br /><br /><br />                                                <br />