8 input 1 output, or 1 input 8 output, switch by button. Professional quality VCD/DVD to TV, up to 1024x768@85Hz. Isolation, the output signal is not distored, do not interfere with each other. Used of high-quality components and advanced circuit techniques design. Be suitable for family/hotel/Karaoke/shopping/school/factory and so on. Type: Video Audio AV Switch Video Input Level Resistance: VS0.8-1.0V P-P Output Level Resistance: VS0.8-1.4V P-P Support: 50Hz-5.5MHz Input Connector: 8 Output Connector: 1 Audio Input Level Resistance: 2V(RMS) Output Level Resistance: 2V(RMS) Support: 10Hz-20MHz, 0db Input Connector: 8(L+R) Output Connector: 1(L+R) Features: Portable, High Isolation, Strong Anti-interference Colour: black Material: ABS Size: 22 x 8 x 4cm Package Contents: 1 x Video Audio Switch Switcher Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.