Netatmo Smart Door Lock + 50mm Extension Kit + 3 Keys

The Netatmo door lock is a smart door lock with 3 smart physical keys. You can manage the access of the of these keys via the app. That way, you can decide per key when it has access. The lock works with Bluetooth, not with WiFi. That means you can only change the settings when you're within Bluetooth range. In addition to the keys, you can also use your smartphone to open the smart lock. That way, you can also get in if you forgot your keys. You replace the current cylinder of your door lock with the smart door lock. The Netatmo Smart Lock fits in all doors with a European cylinder. The outer dimension has to be between 50 and 65mm. With the included extension kit, the interior dimension is 50mm. The door lock works on batteries, which last up to 1 year.