The 4500 series audio nurse call system believes consistent reliability is essential to any audio/visual emergency call system. Our 4500 series audio/visual intercom system is designed for use primarily in retirement centers. We have invested in the technologies proven to produce the best results at the lowest cost. We have selected standard components to simplify serviceability. If you need to cover non-standard mounting location, we will design professional, special plate. We support the service and installation requirements of authorized dealers with computerized materials management system Typical 4500 Annunciator. With any emergency call system, adaptability will ensure it meets the individual needs of the facility. We have designed wide variety of standard products in configurations that will meet the unique requirements of any organization.