# Aqara Smart Lock U300

Aqara Smart Lock U300 is the direct Matter Aqara lever lock, not just another deadbolt. Buy it for doors where lever hardware is the right form factor and Thread is already available.

Canonical page: https://matterhome.io/devices/aqara-smart-lock-u300
Markdown page: https://matterhome.io/devices/aqara-smart-lock-u300.md

## Device Facts

- Brand: Aqara
- Model: Smart Lock U300
- Product type: Matter-over-Thread Lever Lock
- Category: Locks
- Connection: Matter over Thread
- Matter status: Aqara lists Smart Lock U300 with Matter over Thread support for direct integration with major ecosystems.
- Launch date: 2024-10-20
- Thread border router required: Yes
- Brand hub required: No
- Typical price range: $230
- Review status: Compatibility guide
- Product image: https://matterhome.io/content-assets/devices/aqara-smart-lock-u300/product.png
- Product image alt text: Aqara Smart Lock U300
- Product image source: https://us.aqara.com/cdn/shop/files/Aqara-Smart-Lock-U300-Black.webp?v=1729060782

## Ecosystem Support

- Apple Home: Supported
- Google Home: Supported
- Alexa: Supported
- SmartThings: Supported
- Home Assistant: Supported

## Best For

- Doors that need a lever smart lock rather than a deadbolt
- Apple Home Key users who want Matter over Thread
- Garages, side entries, offices, and utility doors with compatible prep

## Skip If

- Your door needs a deadbolt or retrofit lock instead
- You do not have Thread coverage near the door
- You need every access-management feature in every ecosystem

## Setup Notes

- Confirm door preparation, backset, handing, and lever lock fit before buying.
- Pair through Matter over Thread after physical installation.
- Test fingerprint, keypad, Home Key, and manual operation before trusting remote automations.

## Known Limitations

- Matter lock support varies for user-code management and event history.
- Apple Home Key requires compatible Apple devices and setup.
- Aqara app extras may require an Aqara Thread border router or Matter controller path.

## Pros

- Native Matter-over-Thread lever lock
- Supports Apple Home Key, fingerprint, keypad, and app access
- Useful for side doors, garages, offices, and interior spaces with lever hardware
- Basic Matter control does not require an Aqara Zigbee hub

## Cons

- Requires a Thread border router
- Lever-lock fit is different from a deadbolt retrofit
- Advanced Aqara features may require Aqara Home and compatible Aqara hardware

## Sources

- https://us.aqara.com/products/smart-lock-u300
- https://www.aqara.com/us/product/smart-lock-u300/
- https://us.aqara.com/cdn/shop/files/Aqara-Smart-Lock-U300-Black.webp?v=1729060782

## A lever lock, not a deadbolt

The Aqara Smart Lock U300 is Aqara's direct Matter lever lock. That makes it a different product from the U200 retrofit lock and U400 deadbolt-style lock, even though all three belong in the same broad smart lock conversation.

The U300 uses Matter over Thread for direct ecosystem control, so it needs a Matter controller and Thread border router.

## Where it fits

Lever locks are useful on side doors, garages, offices, storage rooms, and other doors where a deadbolt is not the right hardware. Before buying, check the door prep, backset, handing, and whether the existing latch setup matches the product.

The feature set is broad: Home Key, fingerprint, keypad, app control, and Matter integration. The hardware fit is still the first gate.

## What to verify

Matter should cover basic lock control, but access codes, logs, and user management can vary by ecosystem. Test those features before promising a household that everything will live in one app.

Keep manual access and backup entry paths ready while you tune the setup.