Amazon's Ring unveils the $249 Ring Smart Lock, which uses a physical dial to recharge the battery when turned, set for a Q1 2027 launch, and five new cameras (Chris Welch/Bloomberg)

Chris Welch / Bloomberg:
Amazon's Ring unveils the $249 Ring Smart Lock, which uses a physical dial to recharge the battery when turned, set for a Q1 2027 launch, and five new cameras  —  Amazon.com Inc.'s Ring brand unveiled its first smart lock, with an innovative feature that addresses the dreaded scenario of arriving home to a dead battery.

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