Google Pixel Watch now has a fall detection feature that can detect if you have had a hard fall and will alert emergency services.
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Fall alert
The feature will send an alert to emergency services if the user does not show any movement within a particular timeframe.
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Sensing
The in-built motion sensors and algorithms have been claimed to differentiate between genuine falls and small stumbles.
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Training and testing
Google has trained its process to accurately detect real falls and minimize potential false alarms using a broad variety of human and simulated fall data.
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Activation
You can enable fall detection by accessing the Google Pixel Watch app or Personal Safety app, but note that the feature is only available in select countries.