A simple remote control device similar to any other remote. However are programmed to send a signal to the DVD player that tells it to become multiregion. They are very simple to use, just insert batteries and press one button and voila you are region free. These will not turn of macrovision or allow you to watch copied films.
These are discs that are inserted into your DVD player, They will then make your player region free. Again this will not bypass macrovision or allow you to copy or play copied films.
You press a sequence of codes into your DVD remote and it will make it region free.
