Spec Sheet Preview: The ES0_S Series entrance panel is a compact style for use with Alpha Communications® loudspeaker type apartment / suite stations. They are our most economical and most compact surface mount entrance panel stations, for 1 to 4 pushbuttons. Panels are equipped with a high quality voice speaker mounted behind a weather-resistant plastic membrane. These compact panels are only 3.25"W (83mm) x 6.875"H (175mm) and 1.375"D (35mm). In addition, the individual push button switches also serve as resident name holders. …