Smoke alarms for hard of hearing --- Loudenlow - 520 Hertz Smoke Alarm for hard of hearing people (HOH) with high frequency hearing loss. (Hear it online with your computer ) Low frequency smoke detector. Normal alarms can't be heard by many seniors. Som
Notification Systems | Hearing Impaired Signalers - Sonic Alert, Silent Call, Ultratec Assistive and Hearing Aids Products - Deaf, Hearing Loss, Sign Language
Overview of systems such as fire alarms, smoke detectors, etc.