RM-PP411 REMOTE COMMANDER THE SONY 147712311 REMOTE CONTROL ALLOWS EASY OPERATION FOR YOUR COMPATIBLE SONY MODEL. THE SONY 147712311 IS PERFECT IF YOU LOSE THE ONE THAT WAS INCLUDED WITH YOUR UNIT OR IF YOU'RE IN NEED OF AN ADDITIONAL REMOTE. THE 147712311 CONTROLS ALL BASIC FUNCTIONS OF THE UNIT. BATTERIES SOLD Works with the following models: Sony HT5500D, Sony HT6500D, Sony HT-6500DP, Sony HTDDW840 Sony HTV1000DP, Sony STRDE685, Sony STRDE865, Sony STRDE885, Sony STRDE885/S, Sony STR-K840