This is 8 Port Video Audio AV 3RCA Switch Splitter Box for HDTV DVD. It enables 8 AV output devices to share 1 AV input. So it can be used in your home, office, restaurant, shopping plaza, hotel, factory, etc, to show the one AV input on 8 different AV output devices like TV or other devices with standard AV (yellow-red-white) connector.
Note: When using this product, you need to use a signal line with better shielding quality, or you will receive a noise!