Sony 147733511 REMOTE CONTROL, RM-SS450 THE SONY 147733511 REMOTE CONTROL ALLOWS EASY OPERATION FOR YOUR COMPATIBLE SONY MODEL. THE SONY 147733511 IS PERFECT IF YOU LOSE THE ONE THAT WAS INCLUDED WITH YOUR UNIT OR IF YOU'RE IN NEED OF AN ADDITIONAL REMOTE. THE 147733511 CONTROLS ALL BASIC FUNCTIONS OF THE UNIT. BATTERIES SOLD Works with the following models: Sony DAVC450, Sony HCD-C450, Sony HCDC450M