The SX-Series Marine Paging Horns are high-efficiency horns that generate high quality voice paging, emergency alerts, and loud ringing for indoor and outdoor installations. The marine versions are ideal for marinas, ports, outdoor and indoor pool areas, or any unsheltered area that is susceptible to harsh weather. The Marine Horn is specially designed to withstand the deteriorating effects of sun, salt and high humidity. It is water-proof for environments requiring direct spray down such as car washes, food processing plants and operating rooms. The SX-Series Marine Horn is white with stainless hardware. The SX-Series Paging Horns include a Omni-Lock Mount for quick and easy installation on multiple surfaces including beams, walls, electrical boxes and other areas.