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Best Smart Locks You Can Trust After a Power Cut

A key that still works when the Wi-Fi does not.

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A key that still works when the Wi-Fi does not.

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Maya Cole

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Senior reviews editor · DifferDeal

Tests laptops, phones, and audio

Writes scored reviews after a week of daily use. Looks for the boring failures first: heat, battery, and the thing the spec sheet hides.

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