fromgizmodo.com
3 days agoSwitchBot Lock Ultra Review: A Good Retrofit Smart Lock for Secondary Doors
The $140 Lock Ultra works just like other retrofit smart locks if you're using it with a typical deadbolt. You swap it for the indoor thumb turn portion, and Bob is, as they say, your uncle. Where it differs is that for $20 more, it comes with an adapter kit that lets it work with jimmy-proof and mortise locks the same way the original SwitchBot lock worked with normal deadboltsrather than replacing your lock hardware, it slips over it and operates it for you.
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