Xiaomi has just launched a new addition to its smart home lineup — the Smart Door Lock 2 Cat-Eye Edition — and it’s got some handy upgrades. The standout feature here is right in the name: a built-in “cat-eye” camera designed to keep an eye on who’s at your door, even in the dark. Pre-orders are already live in China at 1,399 yuan (about $195), with open sales starting March 28.

Xiaomi Smart Door Lock 2 Cat-Eye Edition Specs
The lock’s camera uses a 2-megapixel sensor with a 160-degree wide field of view, along with infrared night vision and full-color low-light support, so you can check in on your doorstep any time — day or night. There’s also AI human detection that promises to cut down on false alarms caused by things like wind or stray animals.
Beyond the camera, the Cat-Eye Edition isn’t all that different from the standard Smart Door Lock 2. It still uses Xiaomi’s in-house noise-reduction motor and a C-level lock cylinder, paired with sensors that constantly check the lock’s status. Security alerts include door ajar warnings, tamper alerts, and notifications if someone lingers outside your door for too long.
The lock supports nine unlocking methods — yes, nine — including fingerprint scanning, NFC, Bluetooth from your phone, permanent and temporary passcodes, mechanical keys, and even unlocking via Xiaomi phones, smartwatches, and bands. The fingerprint sensor uses an AI algorithm that improves over time, claiming a speed of just 0.5 seconds and an accuracy rate of 99.51%.
Battery life shouldn’t be a worry either. There’s a 5,000mAh lithium battery that lasts up to four months on a full charge, plus the backup option of four AA batteries that can stretch that to six months. And if all else fails, there’s a Type-C emergency port that lets you power the lock with a power bank.
Like most Xiaomi smart devices, it syncs with the Mi Home app and supports HyperOS as well, letting you check alerts, watch the doorstep feed, manage access, and even talk to visitors through a remote video intercom. The app also supports voice modulation, so you can mask your voice when speaking to strangers — a small but thoughtful touch.
In related news, TCL recently introduced a smart lock that features iPhone-style face unlock technology, along with a built-in display screen right on the door for added convenience and control.
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