RM-AMU009 Replaced Remote, fit for Sony Audio System. Compatible models: CMT-HX80R SS-CHX50 HCD-HX80R CMT-BX20i SS-CBX20 HCD-BX20i CMT-FX300I SS-CFX200 HCD-FX300i MHC-EC909iP SS-WG909iP HCD-EC909iP SS-EC709iP HCD-EC98P MHC-EC709iP HCD-EC709iP SS-EC709iP MHC-EC99i SS-EC79 HCD-EC99i SS-WG99i MHC-EC609iP SS-EC609iP HCD-EC609iP MHC-EC78Pi HCD-EC78P SS-EC78S SS-EC78 CMT-BX50BTi HCD-BX50BTi MHC-EC69i SS-EC69i HCD-EC69i MHC-EC79i SS-EC79 HCD-EC79i CMT-LX40i HCD-LX40i SS-CLX20 CMT-MX500i HCD-MX500i SS-CMX500U SS-CMX500; Pre-programmed, no need to set up ! just put new batteries and it is ready to work well. Power Supply: 2X 1.5V AA Alkaline Batteries. Batteries and manual are not included. If you have any questions, please just contact us. Thank you ! RM-AMU009 Replaced Remote fit for Sony Audio System CMT-HX80R SS-CHX50 HCD-HX80R CMT-BX20i SS-CBX20 HCD-BX20i CMT-FX300I SS-CFX200 HCD-FX300i SS-WG909iP HCD-EC909iP SS-EC709iP HCD-EC98P