Main Features:<br />1. You just have to jion the two wires and then you can have a cool digital voltmeter module<br />2. You can install the digital voltmeter module on car? motorcycle and electric vehicle.<br /><br />    Specifications<br />General<br />  Type: Development board                                                  <br />                        Material: Plastic? Iron and PCB                                                 <br />Weight and Size<br />  Product Weight: 0.005 kg                                                  <br />                        Package Weight: 0.073 kg                                                  <br />                        Product Size(L x W x H): 3.1 x 1.4 x 1.2 cm / 1.22 x 0.55 x 0.47 inches                                                  <br />                        Package Size(L x W x H): 10 x 6.5 x 1.0 cm / 3.93 x 2.55 x 0.39 inches                                                 <br />Package Contents<br />  Package Contents: 1 x Module                                                 <br /><br /><br /><br />                                                                                            <br />