Aqara Smart Door Lock B50

Aqara Smart Lock B50

The Aqara B50 Smart Lock offers secure, keyless entry with built-in Wi‑Fi 6—no hub needed. Control your door remotely via the Aqara app, Alexa, or Google Home, and unlock with a PIN Code, key and app. 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.

 

Key Features:

● Rekey Support: 
Keep your original keys and skip the hassle of redistributing new ones—thanks to rekey support that lets you replace the lock’s cylinder using just one screw. It’s a quick, convenient way to upgrade your lock without changing your family’s routine.

● Matter-over-Bridge Compatibility: 
Pairing your lock with an Aqara Hub* M3, Security Camera Hub G5 Pro, or M100 to enable Matter-over-Bridge. Connect easily with Apple Home, SmartThings, and more.

● Remote control via Wi-Fi:
Control your door from anywhere with built-in Wi‑Fi 6—no hub needed. Lock, unlock, and check status in real time via the Aqara Home app, Alexa, or Google Home. Compatible with 2.4GHz Wi-Fi for simple, secure remote access.

● Versatile Unlocking Options: 
Unlock your door your way—with a PIN code, mechanical key and Aqara app. Anti-peep PINs ensure secure for your family.

● Up to 6-Month Battery Life and 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 power the lock to unlock the door.

● AES Encryption and IP Rated: 
Designed for security and durability, the lock features AES-128 encryption and an IPX3 rating, resisting water spray and working reliably in temperatures as low as -35°C.

● Aqara Exclusive Features: 
Unlock smarter protection with Aqara-exclusive features like Timed Auto-Lock, Night Latch Mode, Failed Attempt Lockout, Do Not Disturb, and Away Mode—designed for comfort and security, day and night.

● Integrates with Automations: 
The Aqara B50 integrates via the cloud with Aqara Doorbells and other devices to enable smart automations—like turning on lights when the door unlocks or sending alerts from doorbell activity. For local automation, an additional hub is required.

 

Disclaimer:

*Currently, only Aqara Hub M3, G5 Pro, and M100 support Matter-over-Bridge connection for the B50. More hubs will be supported in the future. 

**Battery life may vary with usage, Wi-Fi Router and network conditions. 

 

Automations:

1	Heading	Security System Disarmed
	WHEN - Trigger IF - Condition THEN - Action	WHEN: Unlock with Specified Password   IF: Alert System is in Away Mode   THEN: Disarm the Alert System
	Description	Entering a designated passcode after returning home from a trip or business travel instantly disarms the alarm system and prevents other devices from being triggered.
	Devices	Smart Lock B50 + Other Smart Home Devices
2	Heading	Intrusion Detection with Camera
	IF THEN	WHEN: In Away Mode, someone unlocks indoors or with a key   IF: The Alert System is in Away Mode   THEN: Camera G3 enables person tracking, records cloud video
	Description	When the lock is opened while in Away Mode, the security camera starts person tracking and recording, providing real-time monitoring.
	Devices	Smart Lock B50 + Camera G3
3	Heading	Suspicious Activity Alert
	IF THEN	WHEN: Multiple authentication failures   IF: The Alert System is in Away Mode   THEN: Camera Hub G5 Pro installed on your porch ceiling turns on the spotlight and plays the specified ringtone "Police Car 1"; app push notification
	Description	In Away Mode, multiple authentication failures trigger the Aqara Camera Hub G5 Pro on your porch to activate its spotlight, play the “Police Car 1” ringtone, and send you a push notification.
	Devices	Smart Lock B50 + Camera Hub G5 Pro
4	Heading	Instant Visitor Unlock with a Single Click
	Description	The B50 is designed to work in perfect harmony with our Video Doorbell G410 with a built-in hub, offering a seamless user experience that combines security and convenience. When a visitor arrives at your doorstep and presses the Video Doorbell G410, you will receive an instant notification on your smartphone. With just a tap, you can access a live video feed to see who is at your door so you can open the door immediately.
	Devices	Smart Lock B50 + Smart Video Doorbell G410 Select

 

Specifications:

Product Name	Aqara Smart Lock B50
Model No.	DL-D12E
Dimensions	Inner Panel: 139 × 75 × 47 mm Outer Panel: 125× 68 × 32 mm
Battery	4 AA Batteries (6V)
Wireless Protocols	Bluetooth 5.3, Wi-Fi IEEE 802.11b/g/n/ax (Wi-Fi 6)
Door Thickness Compatibility	35 -55mm
Door and Door Frame Gap Compatibility	2-10mm
Operating Temperature	Inner Panel: -18 °C ~ 55 °C Outer Panel: -35 °C ~ 66 °C
Operating Humidity	0 ~ 93% RH, no condensation

 

Supports*: Aqara Home, Apple Home, Google Home, Amazon Alexa, SmartThings 

*The B50 can connect to Google Home and Amazon Alexa directly without a hub. For other third-party ecosystems, an Aqara Hub M3, G5 Pro, or M100 is required for Matter-over-Bridge support. More hubs will be supported in the future. 

 

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