Balboa Water Group 52805 Topside, Balboa Water Group, AX10A3, 1 Button, w/o OverlayBalboa AX10A3 Auxiliary Spaside Control Expand the reach of any Balboa EL or GL system (and some GS and VS systems) with one and sometimes more of these Auxiliary Panels. They are an inexpensive way to distribute control for specific functions away from the main control panel. Depending on the system, more than one AX10 can be installed and mapped to operate one of several options. It has a 7ft cord with a 6-pin Molex style plug and comes without an overlay.