New RM-AAU113 RMAAU113 Replaced Remote Control fits for Sony Home Theater AV SystemNo programming or pairing needed, just install 2 new 1.5V AAA alkaline batteries, then it works.This is a new replacement IR remote control.Compatible with following Sony Home Theater System Models:HT-CT550W HT-CT550 HT-SS380 HTC-T550W HTCT550W HTCT550 HTSS380 RMAAU113 Package Content: 1 x IR Remote Control (Batteries and Instructions are NOT Included)Contact Us: Any question, please do not hesitate to contact us before leaving feedback or before return, we promise will resolve problem for you.