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🔐 Unlock the future of smart security—because your door deserves the smartest welcome.
The Aqara Smart Lock U300 is a cutting-edge biometric lever lock featuring fingerprint recognition for up to 50 users, Apple Home Key support, and NFC compatibility. Utilizing the low-power, reliable Matter over Thread protocol, it integrates seamlessly with major smart home ecosystems like Apple HomeKit, Alexa, and Google. Built with durable zinc alloy and rated IPX4 for water resistance, it offers versatile unlocking modes, smart automations, and an impressive 10-month battery life with USB-C backup power.



































| ASIN | B0D496H9YV |
| Additional Features | Fingerprint |
| Best Sellers Rank | #25,539 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #85 in Home Security & Surveillance Biometrics |
| Brand | Aqara |
| Brand Name | Aqara |
| Color | Black |
| Connectivity Protocol | Thread |
| Control Method | Touch |
| Controller Type | Apple HomeKit |
| Customer Reviews | 3.8 out of 5 stars 359 Reviews |
| Finish Types | Painted |
| Included Components | Smart lock unit, Mounting hardware, USB-C cable (for backup power) |
| Item Dimensions | 14 x 7.6 x 7.1 centimeters |
| Item Weight | 2.5 Kilograms |
| Item dimensions L x W x H | 14 x 7.6 x 7.1 centimeters |
| Lock Type | Biometric, Keypad |
| Lock type | Biometric , Keypad |
| Manufacturer | Lumi United Technology Co., Ltd |
| Manufacturer Part Number | AD030USG02 |
| Manufacturer Warranty Description | 6 months |
| Material | Zinc |
| Material Type | Zinc |
| Model Name | U300 |
| Model Number | DL-D02D |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Recommended Uses For Product | doors |
| Recommended uses for product | doors |
| Shape | Rectangular |
| Special features | Fingerprint |
| Style Name | Contemporary |
| UPC | 192784001639 |
A**Z
Todo perfecto
Todo ha sido perfecto: el envío, el producto y la entrega se ha realizado antes de lo previsto.
M**L
Excelente producto
Excelente calidad, funciona muy bien
W**B
Great lock for Apple Home
I've only had this a couple of weeks, so I can't speak to reliability or battery life. Physical installation was almost as easy as a basic door handle -- about as simple as something like this could be. Physical operation is smooth and solid. Initial configuration was slightly confusing at first since it is not initially obvious which steps (in Aqara app) require an Aqara bridge (which I do not have), but after initial setup in Aqara app (with first fingerprint, etc.) I added the device to Home app, and the Home Key appeared in the Wallet app automatically. Other home members were prompted to create a Home Key as well -- easy! Operation of the "Passage Mode" button on the inside is perfect. When you press the button a voice says "To enable Passage Mode, verify with fingerprint, NFC, or passcode" then if you do one of those it says "Passage Mode Enabled". Then when you press the button again to turn it off it says "Passage Mode disabled". What could be more clear than that!? I can add a a user (in Aqara app) and give them a passcode ahead-of-time, then can add a fingerprint to their User ID later (if desired). I can unlock the door from anywhere in the world using the Home app on my phone (since the lock is within range of my AppleTV, which is my home hub). Even without an Aqara hub this lock works great. Good job, Aqara!
M**R
Two Dead in a Month — Unreliable and Barebones for Remote Use
I bought three Aqara U300 locks for interior doors in a remote Airbnb setup, thinking they’d be a cost-effective, smart upgrade. Unfortunately, two out of the three died within the first month, both due to completely drained batteries. Once they're dead, they’re totally unresponsive—even with fresh batteries, you need physical access to power them up via USB-C or key (and yes, it’s a huge pain when you're managing things remotely). Worse, you can’t unlock or manage users remotely. You have to be physically near the lock with Bluetooth to do anything meaningful—like adding/removing users or unlocking the door. You can see battery status through the app, but you won’t get any warnings when it’s about to die. So unless you're actively checking, good luck catching it before the lock bricks itself. Meanwhile, my Schlage exterior smart locks are still cruising along at 90% battery, fully remote-capable, and haven’t given me a single issue. Should’ve just spent the extra and gone all-in on Schlage. Pros: Sleek design Works with Apple Home Key and Matter (when it works) Easy initial setup Cons: 2 of 3 failed within a month due to dead batteries No remote management or unlocking No low-battery notifications Bluetooth-only for any real admin control Not suitable for Airbnb, rental, or any off-site use Emergency power is awkward if you’re not physically there Bottom line: If you need something that actually works for remote property management, this isn't it. Looks nice, sure—but the reliability and features just aren't there. Aqara still feels like beta hardware. Go with Schlage if you want peace of mind.
C**E
Funciona perfectamente
Funciona perfectamente, la instalación es fácil siguiendo las instrucciones además se puede usar Apple Homekey
Trustpilot
3 weeks ago
1 month ago