AIDITIYMI RM-AAU189 Replaced Remote Control work for Sony AV Receiver Home Theater System Remote Model No.: RM-AAU189 / RMAAU189 No programming or paring needed. Just install 2 new 1.5V AAA alkaline batteries, then it works. This is a replacement IR remote control. Compatible with Sony AV Receiver Models: STR-DN850 STR-DN1050 STRDN850 STRDN1050 Package Content: 1 x IR Remote Control (Batteries and Instructions are NOT Included).