Main Features:<br />Adjustable focus<br />Power: 5mW<br />Output: Red straight line (650nm)<br />Working voltage: 4.5~5V<br />Current: 20~35mA<br />Line length: 2.0~2.4 meters (at 1.5 meters distance)<br /><br />    Specifications<br />General<br />  Type: Laser transmitter module                                                  <br />                        Material: Copper                                                 <br />Weight and Size<br />  Product Weight: 15 g                                                  <br />                        Package Weight: 0.080 kg                                                  <br />                        Product Size(L x W x H): 3.5 x 1.2 x 1.2 cm / 1.4 x 0.5 x 0.5 inches                                                  <br />                        Package Size(L x W x H): 6.0 x 4.0 x 3.0 cm                                                 <br />Package Contents<br />  Package Contents: 1 x Red Laser Module                                                 <br /><br /><br /><br />                                                <br />