The fastest, smallest and most powerful Nuki Smart Lock
This is ensured by the new design and the innovative brushless motor technology.
New engine
The Ultra is the first Nuki Smart Lock with a brushless motor – a technology known for its energy efficiency and often used in electric vehicles.
New design
A modern look that remains true to the classic Nuki look despite its reduced size. An attractive stainless steel design – equipped with two interchangeable rings in black and white.
Integrated remote access - no bridge required
The Nuki Smart Lock Ultra has a built-in Wi-Fi module, eliminating the need for an additional bridge. The lock can be controlled remotely via the Wi-Fi module or via Thread.
Thanks to Smart Home integration, the door lock can be easily used with Matter via Thread, Nuki Web or MQTT.
- Included premium universal cylinder for seamless compatibility.
- Stainless steel design with 2 included base rings in black and white.
- Integrated battery with magnetic charging port and cable for safe charging directly at the door.
- Includes integrated WLAN module for remote access without an external bridge.
- Easy connection to existing smart home systems thanks to Matter.
- Manage via the Nuki app. Assign up to 200 access permissions.
- Easy DIY installation in less than 15 minutes and step-by-step instructions in the app.
- Simplified data migration for existing Nuki users.
Easy self-installation
Thanks to the universal cylinder, the Smart Lock Ultra is compatible with most doors. This is included in the delivery and can be installed in about 15 minutes. First, the existing cylinder must be replaced with the Nuki Universal Cylinder. Then the Smart Lock Ultra can be installed. No technical knowledge is required for installation.
For easy installation, follow the step-by-step instructions in the Nuki app.
Improved battery - Up to 9 months runtime after a short charging time
The integrated battery can be fully charged in just 2 hours and, depending on usage, has a battery life of up to 9 months.
- 7 – 9 months without remote access
- 5 – 7 months with remote access via Thread
- 4 – 6 months when using the integrated WLAN module
Technical details
| Product: | Nuki Smart Lock Ultra |
| Color: | White/Black with stainless steel |
| Weight: | 250g |
| Dimensions: | ⌀57 x 58 mm |
| Power supply: | Lithium Polymer Battery |
| Communication: | Bluetooth Low Energy: IEEE 802.15.1 2.4GHz, Thread: IEEE 802.15.4 2.4 GHz WiFi: IEEE 802.11 b/g/n 2.4GHz |
| Operating temperature: | 10-40°C |































































