Aqara B50 Wi-Fi Deadbolt Lock

The Aqara Smart Lock B50 brings keyless entry to any budget, with built-in Wi-Fi 6 for remote control straight out of the box — no hub or bridge needed. Whether you're entering a passcode, using the Aqara Home app, or speaking a voice command, the B50 makes everyday access simple and affordable without cutting corners on security. With 8 distinct unlock methods, the B50 supports up to 75 passwords at once, including one-time and periodic codes for guests. An anti-peep password feature lets you pad your real code with random digits, so no one can learn your PIN just by watching you type. A backlit keypad makes entry effortless even at night. Powered by 4 AA batteries for up to 6 months, with a USB-C emergency charging port as backup, the B50 is built for reliable everyday use. If you ever need to rekey the lock, the cylinder swaps out with a single screw — no need to replace or redistribute keys to your household. Access Methods: Password, Aqara App, Voice (Alexa/Google Assistant), Mechanical Key, Matter (hub required) Capacity: Up to 75 passwords (6–10 digits, anti-peep up to 20 digits), up to 50 user accounts Door Thickness: 35–55mm Backset: 60mm or 70mm (2-3/8" or 2-3/4") Bore Hole Diameter: 54mm (2-1/8") or 38mm (1-1/2") Battery Type: 4 x AA batteries (6V), up to 6 months battery life Connectivity: Bluetooth 5.3, Wi-Fi 6 (2.4GHz only); pair with an Aqara M3, G5, or M100 hub for Matter-over-Bridge with Apple Home, SmartThings, and more Lock Type: Deadbolt Extra Features: AES-128 encryption, IPX3 keypad panel (front only, not for outdoor exposure), Timed Auto-Lock, Night Latch mode, Failed Attempt Lockout, Do Not Disturb mode, works with Aqara Doorbells (G410, G5) Box Contents: Smart Lock B50 Mechanical Key x 2 AA Batteries x 4 Knob Removal Tool Opposite-Pull Screw Kit Bolt & Strike Plate Screw Kit Mounting Plate Screw Kit Installation Diagram User Manual 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)