Main Features:<br />￠ Measurement accuracy: 0.1 percent<br />￠ Refresh rate: About 200ms one time<br />￠ Display mode: Three 0.36 digital tube<br />￠ Measuring range: 3.3V - 30V<br />￠ Working current: Less than 20mA<br />￠ Display color: Blue<br />￠ Storage temperature: -10 - 65 centigrade degree<br />￠ Input impedance: Approximately 100K<br />￠ Great for monitoring automotive? electric car battery voltage<br /><br />    Specifications<br />General<br />  Material: FR4                                                 <br />Weight and Size<br />  Product Weight: 0.004 kg                                                  <br />                        Package Weight: 0.044 kg                                                  <br />                        Product Size(L x W x H): 3.5 x 0.5 x 0.3 cm / 1.4 x 0.2 x 0.1 inches                                                  <br />                        Package Size(L x W x H): 10.0 x 7.0 x 0.8 cm                                                 <br />Package Contents<br />  Package Contents: 1 x 3.3 - 30 V 0.36 inch 3 Digital Blue LED Display Voltmeter                                                 <br /><br /><br /><br />                                                <br />