Nuki Smart Lock Ultra.
Integrated Universal Cylinder. Brushless motor. Built-in Wi-Fi.
Engineered for Euro profile entrance systems.
Two door types. Two locks.
Choose yours.
Nuki Smart Lock
Ultra
The Ultra replaces your existing Euro profile cylinder with a premium Universal Cylinder — included in the box. The brushless motor locks in under one second. No bridge required.
| Motor | Brushless — quieter, faster, longer service life |
| Cylinder | Premium Universal Cylinder included |
| Connectivity | Wi-Fi 2.4 GHz · Matter over Thread · Bluetooth |
| Smart home | Apple Home · Google Home · Alexa · SmartThings |
| Battery | Rechargeable lithium-polymer — up to 9 months |
| Charge time | 2 hours · magnetic port · on-door or off |
| Security | SKG*** · EN 1303 · DIN 18252 |
| Installation | Under 15 minutes · no drilling · guided via app |
| Physical key | 3 keys included · always works as backup |
| Design | Stainless steel · base ring in black or white |
Nuki Smart Lock
Deadbolt
Mounts over your existing single-cylinder deadbolt. No cylinder replacement. Invisible from the outside. Installs in under 15 minutes.
| Door type | Single-cylinder deadbolt · CA & US standard |
| Exterior | No change — invisible from outside |
| Connectivity | Wi-Fi 2.4 GHz · Matter over Thread · Bluetooth |
| Smart home | Apple Home · Google Home · Alexa · SmartThings |
| Battery | Rechargeable lithium-ion · months per charge |
| Charge time | 2 hours · magnetic port · on-door or off |
| Installation | Under 15 minutes · no drilling · guided via app |
| Physical key | Existing key continues to work |
Access without a phone.
Add a keypad.
Both keypads work with the Ultra and the Deadbolt model. Outdoor rated. Wire-free installation. Managed through the Nuki app.
Fingerprint or PIN access. Individual permissions per user. Up to 200 authorisations. Outdoor rated. Wire-free installation.
- Fingerprint sensor — unlocks in under 1 second
- PIN access — individual codes per user
- Up to 200 time-restricted permissions
- Outdoor rated · IP44
- Wireless — adhesive or screw mount
PIN or NFC card access. Designed for families and recurring guests. Outdoor rated. Wire-free installation.
- NFC card or fob access
- PIN access — individual codes per user
- Up to 200 time-restricted permissions
- Outdoor rated · IP44
- Wireless — adhesive or screw mount
HELT is Nuki's official Canadian partner. Nuki is engineered in Austria and manufactured in Europe. The Smart Lock Ultra is AV-TEST certified as a secure smart home product, 2025. Ships across Canada and the United States.
Confirm your door.
Unsure which lock fits your door? Use the dimensions below. If in doubt, check compatibility at nuki.io before ordering.