Smart Lock

Smart locks are composite locks that differ from traditional mechanical locks, integrating electronic identification technology and network communication capabilities. They are the execution components of smart home access control systems.

A ¥999 Doorbell, a 3.5-Inch Screen, and Xiaomi’s Latest Bet on the Smart Front Door

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It was just past eleven on a Tuesday night in a mid-rise Hangzhou apartment block when Wang Lina’s phone buzzed to a thumbnail of a delivery rider. Rather than pad to the door, she opened the Mijia app, used the lock’s voice-changing intercom, and told the rider to leave the box in the building locker — a nine-second transaction that is the entire value proposition of the new Xiaomi Smart Door Lock 5C Cat’s Eye Edition, on pre-sale at ¥999.

DESMAN Q60Ultra AI Smart Lock Review: Your Door Gains Emotions

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DESMAN Qilin R9 smart lock three color variants

Honestly, before reviewing this lock, my expectations for smart locks stopped at three basics: fast fingerprint, accurate password, clear peephole. But the DESMAN Q60Ultra threw me a “door pet”—a little creature on the lock face that greets you, interacts with you, and can even be customized to look like your real pet. This lock wants to tell you not just “I am secure,” but “I understand you.” Released on March 11, 2026, as DESMAN’s annual flagship, is the Q60Ultra genuine innovation or just a gimmick? Let’s find out through hands-on testing.