Main Features:<br />VS2-1RCA 2 to 1 channel RCA video signal switcher<br />2 video input source? 1 video output for switching between 2 alternative video source? just as the front view camera and rear video camera? car camera and car DVR? DVR and monitors? etc<br />The master input V1 is priority and the slaver one stand by when 2 AV signal are available? it will switch to slaver one automatically if master signal is not available<br />Compact design? easy to install<br />Power supply: 12V<br /><br />    Specifications<br />Product Details<br />  Material: Electronic Components?Metal?Plastic                                                  <br />                        Color: Black                                                 <br />Dimension and Weight<br />  Product weight: 0.100 kg                                                  <br />                        Package weight: 0.200 kg                                                  <br />                        Product size (L x W x H): 19.50 x 12.00 x 0.10 cm / 7.68 x 4.72 x 0.04 inches                                                  <br />                        Package size (L x W x H): 12.00 x 12.00 x 7.00 cm / 4.72 x 4.72 x 2.76 inches                                                 <br />Package Contents<br />  Package Contents: 1 x 2 to 1 RCA Video Signal Switcher                                                 <br /><br /><br /><br />                                            <br />                                                <br />