The market for these smart personal safety devices is increasing. That is because people are more concerned with their safety. They are also interested in using more tech to insure it. As tech improves these devices get smarter and work better. The market will probably continue to improve as the devices grow in popularity.
Smart Personal Safety and Security Device Market is expected to reach US ~$36 billion with stable CAGR 8% by 2022 – EIN News (press release)