<br> This video audio switch allows you to switch between 4 different input sources on one display using a RCA composite connection (red, white, yellow). Simple and easy to install and operate. No power adapter is required.<br> <br> <br> <br> Product Specifications:<br> <br> Switch Between 4 different Video Sources on 1 Display<br> <br> Connector Type: 4 Input, 1 Output<br> <br> Eliminates Repeatedly Plugging and Unplugging Cables<br> <br> Compact Design Takes Up Very Little Space<br> <br> No power is required<br> <br> Black Metal Enclosure<br> <br> Manual Switching<br> <br> VIDEO:<br> <br> Input Level Resistance: VS0.8-1.0Vp-p/75<br> <br> Output Level Resistance: VS0.8-1.4Vp-p/75/li&gt;<br> <br> Support: 50Hz - 5.5MHz<br> <br> Input Connectors: 4<br> <br> Output Connectors: 1<br> <br> AUDIO:<br> <br> Input Level Resistance: 2V (RMS) / 47K<br> <br> Output Level Resistance: 2V (RMS) / 1K<br> <br> Support: 10Hz - 20KHz, 0dB<br> <br> Input Connectors: 4 (L+R)<br> <br> Output Connectors: 1 (L+R)<br> <br> Metal Enclosure<br> <br> Dimensions: (5.5&quot; x 3.5&quot; x 1.5&quot;)<br> <br> <br> <br> Package Includes:<br> <br> 1 x 4-way RCA Audio Video Switcher.<br> <br> User Manual<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia