Gecko Alliance 0607-005012 Topside, Gecko In.k450, 7-Button, 3-Output, LCD, w/OverlayDimensions 2-7/8" x 7-1/8" Aeware by Gecko introduces the newest control panel featuring a large LCD display and raised keys that let users control all in.xm and in.xe functions and programming directly from the spaside. in.k450 comes in an easy to install waterproof plastic enclosure with replaceable label and is robustly designed to maximize the spa user's experience. Overlay part number 58-337-1922