Main Features:<br />Constant current drive power<br />Input voltage: DC 9V-33V adjustable<br />300mA efficiency Max. 97 percent<br /><br />    Specifications<br />General<br />  Material: Glass fiber                                                 <br />Weight and Size<br />  Product Weight: 8 g                                                  <br />                        Package Weight: 0.048 kg                                                  <br />                        Product Size(L x W x H): 2.1 x 1.5 x 1.1 cm / 0.8 x 0.6 x 0.4 inches                                                  <br />                        Package Size(L x W x H): 8.0 x 6.0 x 2.0 cm                                                 <br />Package Contents<br />  Package Contents: 1 x DIY 300mA Constant Current Regulated LED Driver Power Module                                                 <br /><br /><br /><br />                                                <br />