Aiphone Corporation IE-SSR Audio Door Station with Red Call Button for AX series, IE series, IPW-1A, KB series, or TD-H series. Weather and vandal resistant. Red mushroom call button. Moisture and puncture resistant speaker. 3-layer steel baffle protects speaker from tampering. Hands-free communication when master answers. Pigtail wires for connection to master station. Includes tamper proof mounting screws. Stainless steel. Flush mount. Fits 2-gang box.