# Aqara Smart Lock U300: A Revolutionary Step in Home Safety
Aqara has officially introduced its newest breakthrough in home safety: the Smart Lock U300. This state-of-the-art smart lever lock is the third model in Aqara’s series to feature Apple Home Key support, enhancing both the security and ease of access to your home. Compatible with Thread and Matter, the U300 effortlessly fits into multiple smart home environments, making it an adaptable choice for homeowners.
## Overview of the Aqara U300
The Aqara U300 is designed to update standard single-bore doors, accommodating both lever and knob configurations. This versatility makes it ideal for various entry points throughout your residence, such as side entrances, garage doors, home offices, basements, and storage areas. With its innovative technology, the U300 provides Apple Home Key access management and smart lock features, allowing you to control access to your home with simplicity.
### Key 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 to 131°F
– Inner Panel: 14°F to 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, User Manual, Installation Diagram, 4 AA Batteries, 2 Mechanical Keys, Accessories Kit, Backplate
## Key Features
### Access Options
The Aqara Smart Lock U300 grants various keyless entrance possibilities. Users with an iPhone or Apple Watch can benefit from hassle-free access via Apple Home Key. Furthermore, the lock includes a user-friendly fingerprint scanner, custom PIN codes (covering one-time and ongoing codes), compatibility with the Aqara mobile application, and support for voice assistants. In case of emergencies, traditional mechanical keys are also provided.
### Weather-Resistant Design
Constructed for both indoor and outdoor environments, the U300 is designed to withstand severe weather conditions. Boasting an IPX4 rating, it is water-resistant and functions efficiently in temperatures between -22°F and 131°F, ensuring dependable performance in diverse climates.
### Auto Lock and Passage Mode
The U300 is equipped with an auto-lock feature that automatically secures doors once the user exits. For scenarios requiring regular access, such as during parties or when moving items, the Passage Mode can be activated either locally or through the Aqara app, allowing free entry and exit without sacrificing security.
### Matter and Thread Compatibility
The Aqara U300 employs the Thread communication protocol, facilitating speedy and dependable connections while minimizing power use. Its support for Matter guarantees smooth integration with a wide range of smart devices across multiple platforms, including HomeKit, Google Assistant, Amazon Alexa, and Samsung SmartThings. With Thread technology, users can enjoy up to 10 months of impressive battery life before needing a replacement.
## Conclusion
The Aqara Smart Lock U300 signifies a noteworthy leap in smart home safety. With its support for Apple Home Key, Thread, and Matter, alongside a sturdy design fit for both indoor and outdoor applications, the U300 is a fantastic option for homeowners aiming to boost their security. Its functionalities, including fingerprint recognition and traditional key access, provide added ease and reassurance.
You can acquire the Aqara U300 from [Amazon](https://amzn.to/3TNdNf2) and enjoy a 20% discount using the code PRNAU300 until October 7.
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For further information about smart home technology, explore the [HomeKit Weekly](https://9to5mac.com/guides/homekit-weekly/) series, which highlights smart home accessories, automation tips, and everything related to Apple’s smart home ecosystem.
