Tektone CM492 is a Vandal / Weather Resistant Custom Entrance Panel equipped with Engraved aluminum button caps and a Mylar speaker protected by a louvered grill and perforated aluminum mesh. The Tektone Series CM492 Entry Panel is modular in design. The speaker panels can be combined with various button panels, frames and housings to suit a wide range of, applications. Panels are constructed of anodized extruded aluminum. Please allow 2-3 weeks for custom panels.