The new smart lock will automatically unlock the door when you come home and lock it when you leave

The Ultion Nuki works with all major smart home platforms and manufacturers are so confident that an intruder will not be able to access a property by picking the lock that they include a £2000 security guarantee

A new smart lock has launched that automatically unlocks your door when you get home and locks it again when you leave – all without your smartphone leaving your pocket.

Equipped with the latest smart home technology, the Ultion Nuki lock is compatible with Ring, Amazon Alexa, Google Home, Apple HomeKit, IFTTT, AirBnB, the Nuki app and smartwatches.

The physical heart is not only protected by state-of-the-art end-to-end encryption used in online banking, but also consists of an Ultion Cylinder that automatically switches to lockdown mode if it detects an attack where a hidden one would Firing pin secures mechanism to prevent opening.

And Ultion are so sure that an intruder will not be able to access a property by picking the lock that they include a £2000 security guarantee.

When you answer a call or have your hands full, Ultion Nuki automatically opens when it detects you’re nearby and closes again after a few seconds. Or you can even get Alexa to open the door for you!

The true one-model-fits-all lock not only works with all major smart home platforms, but can also be used with a key if required.

The Castle which will go on sale in Julycan be retrofitted to existing doors or added to new ones and takes just five minutes to install with no drilling, wiring or calibration.

The lock is only attached to the inside of the door. This way it doesn’t interfere with hardware and furniture on the outside of the door, or alert onlookers that a smart lock is about to be fitted.

If you have multiple Ultion Nuki locks, you can centrally lock all doors in a house or building with one simple instruction via your favorite smart platform.

The lock was awarded 3-Star Plus Diamond Sold Secure status and was awarded the highest possible rating for IT security by the renowned institute AV-Test GmbH in Germany.

And if you are a vacation home owner renting their property with AirBnB, by connecting Ultion Nuki to the AirBnB app, someone booking a rental will instantly receive an electronic key that grants them access to the property for the entire rental period – so no picking up or delivering keys.