CHUNGHOP 4 in 2 Out Composite AV Switcher 3 RCA Video Audio Switch Box Selector 4 in 1 Out 4x2 for HDTV LCD DVD STB Game Consoles

4 Ports In 2 Port Out  Composite 3 RCA Switcher Manual AV Switch Installation fast, easy operation Four inputs, Two outputs Apply to security or education and so on Stronger anti- interference ability and Perfect stability  Product Specification: Video: Input Video Signal: 0.8-1.0 volts p-p Input Impedance: 75Ohm Output Video Signal: 0.8-1.0 volts p-p Output Impedance: 75Ohm Bandwidth: 50Hz-5.5MHz Audio: Input Audio Signal: 2V(RMS) Input Impedance: 47kOhm Output Video Signal: 2V(RMS) Output Impedance: 1KOhm Frequency: 10Hz-20KHz, 0db 8 Ports input (Left and Right Channels) and 2 Port output (Left and Right Channels)  Package Content: 1 x 4 Ports 4-In 2-Out AV RCA Splitter Selector Switch Adapte size(194mm*40mm*163mm)