This remote controller, the Marantz RC004BD, is an excellent, excellent product, because it grants me full access to the features of the 2005 model Marantz dvd player. This is especially important regarding Bluray dvds, because other dvd players are limited by the electronic codes embedded to a given disc, as when the dvd player reads "no disc" . . . and then one cannot watch the film. I recommend Dan's Electronics as the go-to company for electronic gear. Thank you, very much, for being there for we aficionados of electronic equipment. Regards, Mariano Torrespico Ortiz ----------------------------------