Features: Designed as remote control replacement for AV receivers including STRD600, STRD665, and STRD800, this RMU253 model offer instants plug and play functionality without programming, powered by 2 AA batteries (not included) for immediate use. from ABS plastic and rigorously tested through quality inspection, this receiver remote ensures long performances and operations for seamless device control. Perfect for home theater enthusiasts and users seeking hasslefree solution, it simplifies AV systems management for individuals and multiple device households. Streamlines your entertainment experiences in living room or home theaters by adjusting volumes, switching inputs, and controlling compatible receivers like STRGX315/415 with precisions. This replacement remote control maintains full compatibility with over 10 receiver models listed in the description, providing exact functional to restores your devices original capabilities. Specifications: Materials: Plastic Size: 18x4cm for STRD600 STRD665 STRD800 STRGX315 STRGX415 STRGX315 STRD36 STRD36 STRD365 RMU253 STRD315 STRD565 Package Includes: 1PC RMU253 Remote Control note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.