This Original Sony RM-AMU009 remote control is a great accessory to control your Sony audio systems. It is compatible with Sony models such as CMTBX20I, CMTLX20I, and MHCEC99. Batteries Included for immediate use. Please Note: This remote is used and has signs of some scratches. Don't Be Shy! Make an Offer and Let's try to make a Deal! All Reasonable Offers Welcome! Thank You For Shopping By and Please let me know if you have any questions! BB