Guide
Medical alert watch or home sensor?
Once a family decides to do something, the choice usually comes down to two shapes of product: a wearable medical-alert device (a pendant or a GPS watch) or a contactless sensor in the home. They get lumped together, but they're good at genuinely different jobs, and picking well means knowing which problem you're solving.
What each is actually good at
- A medical-alert watch shines out in the world. If your parent is active, drives, walks, gets out, a worn GPS device can bring help wherever they are. For an out-and-about parent, that's real and worth having.
- A home sensor shines inside, and overnight. It needs nothing worn or charged, so it covers the bathroom, the bedroom, and the 3am trip, exactly the moments a wearable is most likely to be off or on the nightstand.
The honest test: is the risk mostly out in the community, or mostly at home and overnight? That answers which one you lead with.

Why many families run both
These aren't really competitors. A parent who is still out and active might wear an alert watch for the world and have a sensor cover the home, especially the overnight hours the watch can't. You don't have to make the wrong earlier choice to add the piece that covers the gap. For an at-home or overnight-heavy situation, though, the sensor is the one that carries the weight.

The pendant your parent won't wear
The button that ends up in a drawer.

When a parent lives alone overnight
The hours you can't cover are the riskiest.
See how Silvie works
Contactless radar that detects falls and monitors daily activity. No cameras, no wearables.
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