HDH programs and installs universal remote controllers from URC. They come in a variety of shapes and sizes. More importantly, they all do the same thing: MAKE CONTROLLING YOUR EQUIPMENT EASY! That is what people want and universal remote control helps HDH give them just that. Why suffer with five remote controllers when you can relax with just one? URC manufactures Rf remote controllers so you need not worry about aiming at the TV to control it. Lay back and enjoy.