Aqara Smart Door Lock B50
$199.00 – $589.00Price range: $199.00 through $589.00
Your key to a safer, smarter home. The U400 is a smart deadbolt lock with UWB, biometric authentication, PIN codes, NFC cards, and featuring compatibility with Apple Home Keys.
Description
The Aqara B50 Smart Lock offers secure, keyless entry with built-in Wi‑Fi 6, with no hub needed. Control your door remotely via the Aqara app, Alexa, or Google Home, and unlock with PIN codes, mechanical keys, app, or voice control, even offline. Pair with an Aqara Hub for Matter-over-Bridge compatibility with Apple Home, SmartThings, and more. Enjoy up to 6 months of battery life, a USB-C emergency power port, AES-128 encryption, and IPX3 rating. Smart features like Auto-Lock, Do Not Disturb, and easy rekeying make the B50 a simple and powerful upgrade for any home.
Suitable to use on metal gates with an additional gate lock box.
Kit contains:
1x Aqara Smart Door Lock B50 (front panel, back panel, deadbolt)
Related installation fixtures and accessories
- Remotely Controllable via Wi-Fi: Control your door from anywhere with built-in Wi‑Fi 6, without a hub needed
- Matter over Thread: Speak multiple smart home languages by pairing your lock with an Aqara Hub M3, M200, G5 Pro, or M100 to enable Matter-over-Bridge compatibility.
- Versatile Unlocking Options: PIN code, mechanical key, Aqara app, or voice assistant
- Up to 6 Months Battery Life with Emergency Power Port: Get up to 6 months of use on AA batteries for worry-free power. If the battery runs out, a USB-C emergency port lets you quickly recharge to unlock the door.
- Rekey Support: Rekey support that lets you replace the lock’s cylinder using just one screw.
- AES Encryption and IP Rated: the lock features AES-128 encryption and an IPX3 rating, resisting water spray and working reliably in temperatures as low as -31°F (-35°C)
* An Aqara Matter Hub will be needed to have Matter-over-Bridge compatibility.
**Apple HomeKit support will require an Apple Home Pod.
***Apple Home Keys will require an Apple Home Pod.
****Installation is possible for doors with thickness of 35-55mm. installation for gate is possible with a gate lock box. Do check with us if gate is compatible.
.





Specifications
| Model | DL-D12E |
| Wireless Protocols | Bluetooth 5.3, Wi-Fi 6 |
| Dimensions | Inner Panel: 5.5 × 2.9 × 1.8 in. (139 × 75 × 47 mm) Outer Panel: 4.9 × 2.7 × 1.3 in. (125 × 68 × 32 mm) |
| Battery | 4 AA Batteries (6V) |
| Operating Temperature | Inner Panel: -18 °C ~ 55 °C (-0.4 °F ~ 131 °F) Outer Panel: -35 °C ~ 66 °C (-31 °F ~ 150.8 °F) |
| Operating Humidity | 0 ~ 95% RH, no condensation |
| What is in the Box | Smart Lock B50 × 1, User Manual × 1, Installation Diagram × 1, Key × 2, AA Battery × 4, Knob Removal Tool × 1, Opposite-Pull Screw Kit × 1, Bolt & Strike Plate Screw Kit × 1, Mounting Plate Screw Kit × 1 |
Additional information
| Installation | No installation, Wooden door, Gate |
|---|
Related products
-


Aqara Smart Door Lock D100 Battery Pack
$59.00 Add to cart -


Aqara Smart Door Lock U200
$399.00 Select options This product has multiple variants. The options may be chosen on the product page -


Aqara Smart Door Lock U50
$239.00 – $389.00Price range: $239.00 through $389.00 Select options This product has multiple variants. The options may be chosen on the product page -


Aqara Smart Door Lock A100
$699.00 Add to cart











