i carry 2 types of alarms one is real loud other like police while. am looking in to one that will ring 3 folks phone and sends a hi pitched sound. will keep doing it till i shut off. any one thetas has a phone i can use. waiting to find out more about it. wear the one all the time even in the house. so when i fall and can,t get up i can call. all so have signs for my windows i can crawl to that says send help. our POLICE WHATCH FOR THE SIGNS AS THEY GO BY. it an idea for you all. just old crazy DON I.Y.Q. DON