Beyution RM-AAU168 RMAAU168 Replacement Remote Control suit for Sony Multi Channel AV Receiver. Replacement IR remote controller, no pairing or program needed, installed brand new alkaline battery will work well. Using the remote control: Aim at the sensor, avoiding obstacles, make sure to point the remote control toward the remote control sensor on the unit. Work with Below Knowing Models: STR-DH540 STR-DH740 STRDH540 STRDH740 Packing Included: Replacement Remote Control * 1 Kindly Remind: 1) Please help to check whether the model number of your device is included in the models we listed, if not, please contact with our customer service for check before you paid. 2) Please help to contact us for solve firstly if you recevied non-working or damaged remote before you return it back or leave a feedback/review.