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Posts from this topic will be added to your daily email digest and your homepage feed. The Aqara U200 is a retrofit door lock with a separate keypad and a fingerprint reader. It may also be the first ...

Locks operated with keys were first invented 4,000 years ago in Ancient Egypt. These locks were far simpler than today's, but their operating principles were the same. Is it any wonder that most of ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 8 minutes What ...