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Can the Google Nest doorbells detect noise?

The audio detection feature is present in the wired Nest doorbell, which can detect loud noises but cannot detect low sounds. Once it detects such noises, the device sends a notification to your Google device. 

But this feature is not available in the battery-powered version, though its motion sensing capabilities can be enhanced using the Nest Aware subscription. Alternatively, you can pair it with the Nest Hub to search for sounds.