Replacement Remote Control for HARMAN KARDON AVR7550HD MAIN, CARTAVR7550HDU Redi-Remotes cannot be programmed to control any auxillary devices. They will do every function for the specific unit they are designed to control. Remote measures 7 1/2" x 2 1/4" x 3/4" Redi-Remotes are not equipped with laser pointers or LED lights.