Sony Remote Commander (RM-R52), 147790113, RM-R52 THE SONY 147790111 REMOTE CONTROL ALLOWS EASY OPERATION FOR YOUR COMPATIBLE SONY MODEL. THE SONY 147790111 IS PERFECT IF YOU LOSE THE ONE THAT WAS INCLUDED WITH YOUR UNIT OR IF YOU'RE IN NEED OF AN ADDITIONAL REMOTE. THE 147790111 CONTROLS ALL BASIC FUNCTIONS OF THE UNIT. BATTERIES SOLD Works with the following models: Sony RCD-W2000ES, Sony RCDW500C