The real irony of the charge-at-night model is that you miss the single biggest source of error in human life: lack of sleep. Accurate sleep measurement is, on a day-to-day basis, far more valuable than many of the features advertised on this system. That said, the red night vision setting, dive computer capability, and the iPhone's satellite messaging capability are pretty awesome. Combined with the ability for the parent-child Apple Watch pairing capability, I can imagine a legit workforce management system (imagine a commander in Ukraine, for example, being able to manage his troops' sleep through basic watchstander schedule modifications).