No more keys

Kevo

The Kevo key-less lock system

With Kevo, all you need is your smartphone to unlock your door. You don’t even need to take your phone out of your pocket or purse; just touch your lock, it will recognize your phone and unlock the door. No more fumbling for your keys or memorizing a code… just touch the lock to open. Compatible with Apple iPhone 4s and 5 only.

Via Like-Cool.