Door

If you're going out on a bike ride directly from your home, your keys are just one more thing you have to bring along and stuff in a pocket. The Doormate offers an alternative (for cyclists with garages), as it's a bike-mounted garage door remote.

Installing a pet door can be a great way to allow your furry friend to come and go as they please, but sometimes leads to unwanted visitors too. Petvation is looking to change that with the help of AI facial recognition and a mobile app.

A new startup called Yeeuu Tech has thrown eight different unlocking methods into one device. The S1 Smart Lock can be unlocked through passcodes, NFC, an app, fingerprints, or Bluetooth, among others, and can be fitted into most existing locks.

At CES this week Ring is aiming for renters with the new Door View Cam. This battery-powered video doorbell is designed to slot into an existing peephole, so it can be easily installed and removed later.

​​Last year at CES, home security company Blink caught our eye with a wireless camera for the yard that runs on batteries to keep installation easy. For this year's show, Blink is bringing this tech a little closer to home with a video doorbell that takes the same, simple approach. ​

Volkswagen wants to make it a bit easier to communicate with delivery drivers and mailmen, allowing people to connect their infotainment system to the video bell attached to their doors. ​

The Mini Cooper has gotten a little less mini with BMW rolling out its first 5-door version of the premium compact. The new 5-door has two proper rear doors, thanks to extending the wheelbase by 72 mm (2.8 in) to 2,567 mm (101 in).

If you're staying in a hotel that's kind of ... sketchy, then you might not be satisfied with simply locking your door when you're in for the night. You could wedge a doorstop of your own under it, but now there's a portable gadget that is claimed to work better – the DoorJamer.

Smartphones have swallowed the camera, the diary, the Walkman and the flashlight – next up: your keyring.

Barbecan Security Systems have patented a security door system that acts like a combination of turnstile, revolving door and airlock.

Student designer Jeon Hwan Soo of the Samsung Art and Design Institute has come up with a smart and instinctive solution for the frustrating "Push" "Pull" confusion when opening doors.

A Design student has created a door that could save people in earthquakes.