The Aqara U400 Smart Door Lock Kit in silver is a complete smart security solution designed specifically for timber doors, including professional installation for hassle-free setup. It offers multiple unlocking methods such as fingerprint, passcode, NFC, and app control via Aqara Home for maximum convenience and security. With its sleek design and seamless smart home integration, it provides reliable protection while enhancing modern living.
Key Features
The Definitive Hands-Free Unlocking Experience
Powered by Ultra-Wideband (UWB), the Smart Lock U400 unlocks as you approach with your iPhone or Apple Watch - a hands-free, privacy-preserving entry experience with no codes and no biometric checks. As an Aliro-enabled lock, UWB unlocking will extend to more devices across different ecosystems.
Hands Full
Effortlessly walk right in without setting down your belongings, as the door automatically unlocks upon your approach with an authorized device.
Raining Heavily
Avoid the struggle of searching for keys or operating a touchscreen in a downpour with the UWB lock's hands-free, proximity-based unlocking.
Wearing Gloves
No longer will you need to fumble with your gloves to use keys or keypads; the U400 unlocks on approach.
Unlocks Only When it Should
Based on range and angle measurements, UWB detects your exact position and also understands your unlock intention. It unlocks precisely when you're ready to enter and avoids any accidental or delayed openings.
Additional Unlocking Options: Choose Your Preferred Way
Tap to Unlock with Home Key in Apple Wallet
Simply add the Apple Home key to your Wallet and unlock your door with your iPhone or Apple Watch - even when the devices are powered off. You can also easily share the home key with family members or provide guest codes to visitors, ensuring both security and convenience.
Digital Home Key in Samsung Wallet
U400 supports Samsung Wallet Digital Home Key when connected via Samsung SmartThings. Once set up, you can unlock the door even if the phone is powered off. Additionally, you can invite everyone in the home to use the Home Key through Samsung SmartThings. This feature offers a secure and convenient way to access your home.
Fingerprint Unlocking in 0.3 Seconds
The Smart Lock U400 also features a built-in ergonomic fingerprint reader, which can securely store up to 50 fingerprints for quick touch-to-open access. The lock offers a highly accurate recognition rate of up to 98.6%.
Personalize Your Smart Living
Create personalized smart home scenarios by linking your U400 with other Aqara devices.
Enhanced Security with Aqara Doorbell
The Smart Lock U400 integrates with the Aqara Doorbell Camera Hub G410, allowing you to see who is at the door and unlock directly from the Apple Home app.
Convenient and Sustainable Batteries
Rechargeable Battery
Our smart lock is equipped with rechargeable batteries that take only a few hours to charge fully, and it can last up to 6 months on a single charge.
Easy Recharging
With a built-in USB-C port, you can charge your lock indoors with a power bank anytime you need. No need to remove the battery or the cover.
Low Battery Warning
When the battery level drops to 20%, you'll receive a low battery notification, giving you plenty of time to recharge before running out.
Emergency Charging
In case you forget to recharge, the U400 lock features a USB-C
Emergency Charging Port, allowing you to power up with a power bank or a phone that supports USB-C to USB-C power supply.
Advanced Aqara Home App Features
Auto-Lock on Close
With a built-in gyro sensor, the lock detects when the door is closed and locks automatically; no additional contact sensor is needed.
BHMA Certified
The U400 lock is proven to meet the industry standard for reliable residential security, ensuring durability and peace of mind.
IP65 Weatherproof (Outer Panel)
Engineered to withstand dust, splashes, and heavy rain, U400 delivers reliable performance even in demanding outdoor environments.
Rekeyable Design
This lock can be rekeyed, allowing you to change the physical key without replacing the entire lock cylinder.
Dimensions:
Inner Panel: 7.01 × 2.99 × 1.85 in. (178 × 76 × 46.9 mm)
Outer Panel: 6.58 × 2.99 × 1.01 in. (167 × 76 × 25.5 mm)
*Images are for illustration purposes only