During the World Cup Deals between 25 May 2026 to 28 June 2026, you can find the best promotions on smart door locks at Coolblue. With a smart door lock, you can open your front and back door with your smartphone. You can give others access via the accompanying app, without needing a key. For example, you can set that the home help can only enter on Monday afternoon. This way, you always know exactly who can open your door.