​1. Dtirszxy Replacement Remote Control Fit for Sony CMT-GB3 MHC-EC50DC HCD-EC50DC CMT-SPZ50 HCD-SPZ50 CMT-GPX6 CMT-GPX7 CMT-HPX10W CMT-HPX7 CMT-HPX9 CMT-NE5 HCD-GX450 MHC-LX1000 MHC-LX10000 Audio System ​2. Please remove the battery when it is not in use for a long time. 3. Dnot mix old and new batteries or different types of batteries ​ 4. No Need to set up,Just direct to use after putting a New battery. ​5. 90 Days Warranty, Battery and Manual are not included. Replacement Remote Control