NUKI | Connected lock Smart Lock Ultra

Discover the Nuki Smart Lock Ultra — the smallest smart lock ever created by Nuki, featuring a modern stainless steel design and two interchangeable rings (black or white) to match your interior style.

Lightning-fast performance with next-gen motor

Powered by a brushless motor inspired by electric vehicle technology, the Smart Lock Ultra delivers a locking speed up to 3.4× faster than previous models. Choose between three speed modes: Insane, Standard, and Gentle.

Maximum security with wide compatibility

Supplied with a premium universal cylinder, it ensures industrial-grade security while fitting most European doors. Its tool-free installation takes around 15 minutes, guided via the Nuki app.

Built to last, zero hassle

The integrated lithium-polymer battery recharges in just 2 hours via a magnetic cable, even while mounted. One charge provides several months of battery life.

Smart home ready with full wireless connectivity

With built-in Wi‑Fi and support for Matter over Thread, the Smart Lock Ultra is compatible with Apple Home, Google Home, Amazon Alexa, Samsung SmartThings, and more — all without the need for an external hub.

Easy migration and quick setup

An in-app tool allows you to transfer all data and settings from your previous Smart Lock, ensuring a seamless upgrade experience.

Award-winning innovation

Winner of the CES Innovation Awards 2025, the Nuki Smart Lock Ultra is celebrated for its sleek design, high performance, and advanced security.