Control Your Door from Anywhere. No Hub Required.
With built-in Wi‑Fi 6 and no bridge required, you can lock, unlock, and view lock activity and status anytime and anywhere using the Aqara Home app, Alexa, or Google Home.
6 Months of Battery & Emergency Charging Port
Aqara Smart Lock B50's 4 AA batteries last up to 6 months* and are easily replaceable. If power runs out, the USB-C port allows for an instant, brief charge, ensuring you are never locked out.
Smart Lock. Convenient Life.
Enhanced Smart Device Integration and Automations
Works with Aqara Doorbells
The Lock B50 integrates with Aqara doorbells (including G410, G5), allowing you to see who is at the door and unlock it directly from the app.
Links with Other Devices to Create Automations
Create automations that begin or end with the B50, making your lock an essential part of your smart home system.
Seamlessly Integrate with Other Eco-Systems
By pairing with a compatible smart home hub*, the Smart Lock B50 instantly enables Matter connectivity, ensuring it works seamlessly with platforms like Apple Home, Home Assistant, SmartThings, and more.
Check Compatibility Before Purchase
Aqara Smart Lock B50 is compatible with deadbolt locks and its installation requires a Phillips head screwdriver.
- Backset: 2 3/8" (60 mm) or 2 3/4" (70 mm)
- Bore Hole Diameters: 2 1/8" (54 mm) or 1 1/2" (38 mm)
- Door Thickness: 1 3/8'' (35 mm) - 2 1/8'' (54 mm)
Doors with different dimensions may require modifications for proper fit.
The Aqara Home App Is Your Command Center
AES-128 Encryption
Your family's data is protected with bank-grade security.
IPX3 Weatherproof
This lock can withstand spraying water and operate reliably between -31 °F ~ 150.8 °F (-35 °C ~ 66 °C).
Rekey Support
Easily replace the lock’s cylinder with your existing one by removing just a screw, keeping your original keys.
Easy DIY Installation
Install the Smart Lock B50 yourself in minutes with just a screwdriver, very straightforward.
Tech 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 |
