Meet the SwitchBot Smart Lock: a WiFi connected door lock that you can control with your smartphone or Apple Watch. It connects to your door with 3M adhesive and has a thumb-turn adapter. The SwitchBot Lock uses ATS-128-CTR encryption. It works with Alexa, Google Home, and Siri.
The battery lasts up to 6 months. Auto lock functionality is built-in. You get notified when your door is open or locked. You can find out more about it here.