The RMT-AA400U Replace Remote is a wireless remote control designed to fit for Sony Stereo Receiver models STR-DH190 and STRDH190. With a wireless range of 5-10 meters, this black remote control is compatible with Sony devices and offers convenient connectivity for controlling your stereo system. The model RMT-AA400U is manufactured in China and features wireless capabilities for easy use and functionality. Ideal for those looking for a reliable remote control to enhance their home audio experience.