Xiaomi · Smart Door Lock
Xiaomi Smart Door Lock 4 Pro
Model: XMZNMS08LM
★★★★★
12-way unlock: AI palm vein recognition, 3D face recognition (liveness detection), fingerprint, password, NFC (card/phone/watch/band), Bluetooth, remote, mechanical key, temporary code. 2MP 152° peephole camera + 24GHz mmWave radar + AI human detection. 5000mAh Li + 4xAA backup, USB-C charging. C-grade cylinder.
Connectivity
Primary Protocol
WIFI
Secondary
BLUETOOTH
Matter Support
No
RF Frequency
2.4GHz
RF Range
20m
Encryption
AES-256
Battery & Power
Battery Type
lithium-ion
Battery Count
1×
Battery Life
4 months
Standby Power
0.8 mW
Active Power
800 mW
Security
ANSI/BHMA Grade
Grade 0
UL Listed
No
Encryption
AES-256
Features
✓Fingerprint
✓Keypad
✓Auto-Lock
✗Auto-Unlock
✓Voice Control
✓Remote Access
✓Guest Codes
✓Activity Log
✓Physical Key
Credential Capacity
PIN Codes
50
Fingerprints
100
Cards / NFC
50
App Users
100
Installation Requirements
Door Thickness
40–120 mm
Backset
0 mm
Weight
3500g
Premium
Check retailer for current pricing
Compatible Ecosystems
Mi HomeHyperOSGoogle HomeAmazon Alexa
Quick Specs
ProtocolWIFI
Battery Life4 months
SecurityGrade 0
FingerprintYes
KeypadYes