RM-SC31//C(A) THE SONY A-1237-274-A REMOTE CONTROL ALLOWS EASY OPERATION FOR YOUR COMPATIBLE SONY MODEL. THE A-1237-274-A (RM-SC31) IS PERFECT IF YOU LOSE THE ONE THAT WAS INCLUDED WITH YOUR UNIT OR IF YOU'RE IN NEED OF AN ADDITIONAL REMOTE. THE A-1237-274-A CONTROLS ALL BASIC FUNCTIONS OF THE Works with the following models: Sony CMTBX5BT, Sony CMTEH15, Sony HCDCBX1, Sony HCDGS10