I heard of this system which is a ton cheaper, and lasts way longer than one year.
I think they called it "prayer" or something.
Welcome 04tom..........
LOL. But you can have this phone re-charged. Of course, since it's 'discreet, and can't be heard above ground" how does one know it's actually working as described?
I keep thinking of that poor mother, captive to her son's yammering...