12V to 5V 3A USB DC - DC Converter Step Down Module Power Supply<br /><br />Low power consumption? high conversion rate<br />With reverse connect protection? output short circuit protection? over current protection? over temperature protection<br />Auto recovery<br />USB 2.0 female interface<br />Input voltage: DC 12V<br />Output voltage: DC 5V / 3A<br /><br /><br />    Specifications<br />Specification<br />  Model  : JHV354001                                                  <br />                        Features: Durable                                                  <br />                        Functions: Improve driving safety                                                  <br />                        Material  : Plastic                                                  <br />                        Color  : Black                                                 <br />Dimension and Weight<br />  Product weight   : 0.043 kg                                                  <br />                        Package weight   : 0.07 kg                                                  <br />                        Product size (L x W x H)  : 4.3 x 2 x 1 cm / 1.69 x 0.79 x 0.39 inches                                                  <br />                        Package size (L x W x H)  : 6 x 3 x 2 cm / 2.36 x 1.18 x 0.79 inches                                                 <br />Package contents<br />  Package contents: 1 x 12V to 5V USB DC Converter                                                 <br /><br /><br /><br />                                                <br />