This is a great feature for an elderly or disabled person living alone, and offers peace-of-mind to parents, who can know that their kids will be able to contact a well-trained professional should an emergency occur.
Communication panels are a basic feature of a home security system, which cost between $1,500 and $2,200 to have installed, plus a $500 annual monitoring fee.
Costs vary greatly by region (and even by zip code). To get free estimates from local contractors, please indicate yours.