AppleWatch!
お歳をめされた方にはいいかもしれないですね。
Apple Watchの転倒検出機能、交通事故にあった87歳女性の救助を要請 - iPhone Mania
TECHNOLOGY SAVES THE DAY: Meet Dotty White! After being involved in a car accident earlier this month, the 87 y/o says she has peace of mind knowing help is