Product Details

12 Unlocking Methods to Choose From – Easy and Effortless Access

Say goodbye to carrying keys and meet the unlocking preferences of every family member.

AI Palm Vein Recognition

Contactless Palm Unlocking in Seconds

AI 3D Facial Recognition

Face unlock — no hands needed.

Equipped with a Smart Peephole Camera

Automatically records and captures footage of prolonged or suspicious activity outside the door.

Built-In HD Display Screen Indoors

View real-time activity outside your door for enhanced security.

Dynamic Night Vision Imaging System

Full-color visibility even in low light — see clearly at your doorstep, day or night.

Self-Developed Noise-Reduction Fully Automatic Lock Body

Quiet unlocking and locking — come home late without disturbing your family.

Direct-Insertion C-Level Lock Cylinder

Runs through the lock body to prevent tampering or forced entry.

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Product Name

Xiaomi Smart Door Lock 4 Pro

Product Model

XMZNMST01ZY

Product Dimensions

Front panel: 417.0 × 84.5 × 53.0 mm

Rear panel: 417.0 × 84.5 × 52.0 mm

Net Weight

4.7 kg

Power Supply

4 × AA alkaline batteries (1.5V each)

Lithium battery (nominal voltage: 7.4V, rated capacity: 5000mAh)

Outdoor Type-C emergency power supply (5V⎓0.5A)

Indoor Type-C lithium battery charging (5V⎓2A)

Product Security Level

Level B (GA 374-2019)

Lock Cylinder Security Level

Level C

Wireless Connectivity

Bluetooth 5.0, Wi-Fi IEEE 802.11b/g/n/ax 2.4GHz, NFC

Operating Temperature

-10°C to 55°C

Operating Humidity

0–93% RH, non-condensing

Installment: