Aqara Smart Lock U300 Launches with Support for Apple Home Key, Matter, and Thread

Cupertino, October 4, 2024

Aqara has introduced its newest advancement in home security: the Smart Lock U300. This innovative smart lever lock is the third product from Aqara that's compatible with Apple Home Key. It also supports Thread and Matter, ensuring seamless operation across all smart home platforms. Read further to discover more details about the Aqara U300 and find out how to get a 20% discount on your purchase.

HomeKit Weekly is a dedicated series covering smart home accessories, automation insights, and all things related to Apple’s smart home ecosystem.


The Aqara U300 is engineered for easy installation on standard single-bore doors with either a lever or knob. From side and garage doors to home offices, basements, and storage areas, the U300 extends Apple Home Key access and smart lock functionality to more parts of your home.

From a technology perspective, it meets all requirements, featuring compatibility with Apple Home Key, HomeKit, Thread, and Matter. This ensures your smart lock will be compatible with any smart home system you choose, while offering the best experience within the HomeKit ecosystem.

Aqara U300

Aqara U300 Specifications

  • Model: DL-D02D
  • Wireless Protocols: Thread, Bluetooth, NFC
  • Dimensions:
  • Outer Panel: 140 × 76 × 73.5 mm (5.5 × 2.99 × 2.89 in.)
  • Inner Panel: 159 × 74.5 × 76 mm (6.25 × 2.93 × 2.99 in.)
  • Operating Temperature:
  • Outer Panel: -22°F~131°F
  • Inner Panel: 14°F~131°F
  • Operating Humidity: 0 ~ 93% RH, no condensation
  • Powering Modes: 4 AA Batteries (6V); USB-C Emergency Port (5V)
  • IP Rating: IPX4 (Outer Panel)
  • Included in the Box: Smart Lock U300 × 1, User Manual × 1, Installation Diagram × 1, AA Battery × 4, Mechanical Key × 2, Accessories Kit × 1, Backplate × 1

Key Features

Access Options

The Aqara Smart Lock U300 offers various keyless access methods. iPhone and Apple Watch users can enjoy seamless access with Apple Home Key. It also features a fingerprint scanner, customizable PIN codes (one-time and recurring), access through the Aqara app, voice assistant integration, and Aqara NFC cards. For emergencies like power outages, traditional mechanical keys are supplied.

Weather Resistant Design

Designed for use indoors and outdoors, the Aqara U300 Smart Lock is capable of withstanding severe weather conditions. With an IPX4 rating, the lock is water-resistant and operates efficiently in temperatures ranging from -22°F to 131°F.

Auto Lock and Passive Mode

The Aqara U300 includes an auto-lock feature that secures doors after use. For scenarios requiring frequent access, like during social gatherings or in commercial settings, Passage Mode can be enabled locally or via the Aqara app, permitting unlimited entry and exit while maintaining security.

Matter and Thread

Built on the Thread communication protocol, the Aqara U300 offers swift and stable connectivity with lower power usage. With Matter support, the lock integrates smoothly with multiple smart home platforms, including HomeKit, Google Assistant, Amazon Alexa, and Samsung SmartThings. Thanks to Thread technology, the lock can provide up to 10 months of battery life before replacement is needed.

Conclusion on Aqara U300

Aqara’s Smart Lock U300 is an excellent addition to its range. With Home Key, Thread, and Matter compatibility, coupled with a design suited for both indoor and outdoor use, it presents a versatile choice for a smart door lock. Beyond Home Key, it includes features like fingerprint recognition and manual key entry, offering additional functionality.

The Aqara U300 is available for purchase on Amazon, and you can use code PRNAU300 to receive 20% off until 10/7.

FTC: We utilize income-generating auto affiliate links. More.

Dbrnad 2024 08 9to5 iphone16 grip banner outlined

Best selling & Top trending HomeKit product in our shop at this moment

HomeKit.Blog is in no way affiliated with or endorsed by Apple Inc. or Apple related subsidiaries.

All images, videos and logos are the copyright of the respective rights holders, and this website does not claim ownership or copyright of the aforementioned.

All information about products mentioned on this site has been collected in good faith. However, the information relating to them, may not be 100% accurate, as we only rely on the information we are able to gather from the companies themselves or the resellers who stock these products, and therefore cannot be held responsible for any inaccuracies arising from the aforementioned sources, or any subsequent changes that are made that we have not been made aware of.

HomeKit.Blog Is A Participant In The Amazon Services LLC Associates Program, An Affiliate Advertising Program Designed To Provide A Means For Sites To Earn Advertising Fees By Advertising And Linking To Amazon Store (Amazon.com, Or Endless.com, MYHABIT.com, SmallParts.com, Or AmazonWireless.com).

The opinions expressed on this website by our contributors do not necessarily represent the views of the website owners. 

Copyright © 2022 HomeKit Blog
. All rights reserved
United States