The concept is excellent, and the after-sales service first rate. I feel reassured that in an emergency I can always call for help, and my family feels far more relaxed about my safety. Still learning what actions can falsely trigger the "Fall Alert" with my active lifestyle but at least it allows me to cancel any false Alerts. Good robust construction, comfortable to wear on my wrist, no need for a watch either as time and date can be displayed at the touch of a button. Nathan always willing to answer any questions. We researched this thoroughly before buying, great choice!