(Note: The latter, as well as
the option to remotely lock/unlock your door, requires the Kevo Plus hub, sold separately.).
Kwikset Kevo's Bluetooth Smart Lock 2nd Generation
is such a unique smart door lock- while most smart locks allow you to use your cell phone as your key or have a touchscreen to punch in your access code, Kwikset Kevo allows you to unlock your door with a single touch.