The RRU401 is the compatible replacement for the RCA RCU300T, offering enhanced control of up to four devices with an extensive built-in code library that covers most major brands including RCA, Sony, Panasonic, Philips, Samsung, LG, and Toshiba. Its full backlit keypad provides reliable access to essential functions—power, volume, channel, and menu navigation—with comfortable handheld operation. Advanced learning and macro capabilities allow you to program custom functions or control multiple devices with a single button press. Quick setup and broad compatibility make the RRU401 an ideal upgrade for managing your TV, cable box, audio equipment, and streaming devices.