How Does Notion Detect Sounding Alarms?

Notion sensors are designed to listen for the sounding alarm from your existing UL-listed smoke or CO alarms. Sensors use a small microphone to listen for a specific frequency and volume in proximity to your alarm.

See: Is Notion Constantly Listening Or Recording Sound?

This means that Notion is not actually detecting fire, smoke or carbon monoxide. This device is intended to listen for only UL-listed smoke and CO alarms that are fewer than 10 years old. Notion is not designed to replace your smoke or CO alarm.

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