Ring’s first smart lock has a hand crank, so it works even when the battery dies.

Amazon designed it to solve the dead-battery lockouts that plague smart deadbolts.

Turning a dial generates enough emergency charge to operate the deadbolt.

That physical backup ensures entry even during extended power outages.

Users will not need physical keys or spare batteries in an emergency.

Analysts say battery anxiety is the biggest hurdle to smart lock adoption.

The lock is designed to integrate with existing home security ecosystems.

Amazon is expected to announce pricing and availability in the coming weeks.

Read the full article for more details on Ring’s hand-crank smart lock.