Nuki · Smart Lock 4.0
Nuki Smart Lock 4.0
Model: NUKI-SL4
★★★★★
Standard European retrofit with Matter/Thread support, AA batteries, and Bluetooth auto-unlock.
Connectivity
Primary Protocol
THREAD
Secondary
BLUETOOTH
Matter Support
Yes ✓
RF Frequency
2.4GHz
RF Range
15m
Encryption
AES-256
Battery & Power
Battery Type
AA
Battery Count
4×
Battery Life
8 months
Standby Power
0.03 mW
Active Power
13 mW
Security
ANSI/BHMA Grade
Grade 2
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
200
App Users
200
Installation Requirements
Door Thickness
35–57 mm
Backset
0 mm
Weight
380g
Mid-Range
Check retailer for current pricing
Compatible Ecosystems
Apple HomeAmazon AlexaGoogle Home
Quick Specs
ProtocolTHREAD
Battery Life8 months
SecurityGrade 2
FingerprintNo
KeypadNo