Name: Smart Lock Pro (4th generation)
SKU: 221003
Price: 289 EUR

Question 1

How secure is the Smart Lock?

Accepted Answer

Nuki uses state-of-the-art encryption mechanisms commonly used in online-banking. All communication with the Smart Lock is protected with end-to-end encryption. We also have our Smart Lock regularly inspected and certified by independent security institutes. The Nuki Smart Lock was once again certified by AV-TEST as a secure smart home product in 2025.

Question 2

How do I install the Smart Lock?

Accepted Answer

All Nuki Smart Locks are installed on the inside of your door without needing any technical know-how, drilling, or special tools. Our Smart Locks can be installed and removed without leaving any residue or marks, and are therefore also ideal for rented apartments.While all Nuki Smart Locks can be installed in minutes on your own, the exact installation process would depend on the type of Smart Lock you own.We have step-by-step guides on our website and app for a quick and simple installation experience.You can find out whether your door is compatible with the Nuki Smart Lock here.

Question 3

Can I use the Nuki Smart Lock for renting out my vacation home?

Accepted Answer

Yes, absolutely. The Nuki Smart Lock offers a smart solution for renting out your vacation home and saves you time-consuming key handovers. Your guests receive a digital access permission before their stay and can check-in independently around the clock. You can find more information about our smart hosting services here.

Question 4

What if I don't have a smartphone?

Accepted Answer

Even if you don't have your phone with you, you can still open your door in many ways:
Asking someone with an access permission to open it for your remotely

Using a smartwach

Using one of our accessories to open your door with a code, fingerprint, or a Fob

Using the Nuki Web

We recommend that you only use Nuki with a cylinder with emergency function. This means you can always unlock your door with your mechanical key, even if there is a key inserted on the inside of your cylinder, which is the case when using the Nuki Smart Lock.

For Smart Lock Ultra and users who own a Universal Cylinder: You can always use your physical keys to unlock your door, even with the Smart Lock installed!

Question 5

What happens if my Smart Lock runs out of battery?

Accepted Answer

You’ll always receive a warning when your lock’s battery level drops below 20%, giving you more than enough time to quickly recharge your device.Users who own a Smart Lock Ultra, or any other Smart Lock combined with a Nuki Universal Cylinder, can still use a physical key to open their door - even with the Smart mounted on the door!For all other users, if your current door cylinder has a so-called "emergency function", you can also simply use your keys to unlock your door.

Question 6

What is Matter?

Accepted Answer

Matter is a new universal standard that facilitates and simplifies the integration of devices from various manufacturers into a smart home. The goal of Matter is to connect smart home devices independently of the manufacturer and across different platforms. Learn more about Matter.

Question 7

What are the main differences between Smart Lock 3.0 Pro, Smart Lock Pro (4th generation), and Smart Lock Ultra?

Accepted Answer

The Smart Lock Pro (4th Generation) uses the proven shape, colors and form of Smart Lock 3.0 Pro but comes with new software and several other improvements. This enables Matter support and results in an improved battery life (on average + 30%). The Smart Lock Pro (4th Generation) additionally includes the new Power Pack with improved electronics for an even longer runtime. Furthermore, with a 4th generation Smart Lock you can utilize Remote Access via Thread. This extends the battery life of the device even further.
With Smart Lock Ultra, you get everything that Smart Lock Pro (4th generation) offers, plus a wide range of new developments. Smart Lock Ultra has a brand-new motor designed specifically for faster performance. Nuki Ultra is on average three times faster, and three times smaller than previous generation Smart Locks. It also has a stainless steel body, and is delivered with both black and white rings. Smart Lock Ultra has a built-in battery that can be charged in only two hours, and doesn't require battery changes.

Nuki Smart Lock Pro.

No hands free?

Stay flexible

Door securely locked?

Our bestseller with Power Pack and remote access

Rechargeable Power Pack included

Access possible
while on the road

Open your door
via smartwatch

Elegant design
with an aluminum finish

Nuki now speaks Matter

Easy installation

The Nuki App’s most popular features

Auto Unlock

Activity log

Access permissions

Remote access

Auto Unlock

Activity log

Access permissions

Remote access

Compare our Smart Locks

Product tips for you

You too can enjoy your everyday life key-free. Join more than 550,000 users

FAQ

How secure is the Smart Lock?

How do I install the Smart Lock?

Can I use the Nuki Smart Lock for renting out my vacation home?

What if I don't have a smartphone?

What happens if my Smart Lock runs out of battery?

What is Matter?

What are the main differences between Smart Lock 3.0 Pro, Smart Lock Pro (4th generation), and Smart Lock Ultra?

Nuki Smart Lock Pro.

No hands free?

Stay flexible

Door securely locked?

Our bestseller with Power Pack and remote access

Rechargeable Power Pack included

Access possible while on the road

Open your door via smartwatch

Elegant design with an aluminum finish

Nuki now speaks Matter

Easy installation

The Nuki App’s most popular features

Auto Unlock

Activity log

Access permissions

Remote access

Auto Unlock

Activity log

Access permissions

Remote access

Compare our Smart Locks

Product tips for you

You too can enjoy your everyday life key-free. Join more than 550,000 users

FAQ

How secure is the Smart Lock?

How do I install the Smart Lock?

Can I use the Nuki Smart Lock for renting out my vacation home?

What if I don't have a smartphone?

What happens if my Smart Lock runs out of battery?

What is Matter?

What are the main differences between Smart Lock 3.0 Pro, Smart Lock Pro (4th generation), and Smart Lock Ultra?

Access possible
while on the road

Open your door
via smartwatch

Elegant design
with an aluminum finish