Kwikset Refurbished Kevo Bluetooth Deadbolt: With Touch-to-Open technology, this deadbolt allows you to use your compatible Apple® or Android phone as your key. Download the app to manage settings and give friends access to your home with virtual eKeys.
This lock locks and unlocks itself, drains batteries in less than a month. I've gotten a replacement and the replacement lock does the same thing. We went to the store today and locked the door as we left. When we got back from the store the lock had unlocked itself!