Meet the NU-SET Eyecon: a smart lockbox for the sharing economy that lets you open it with your smartphone. It offers better security through Picture Keys. You can configure access based on date and time and maintain custom profiles for each user. With 2-factor authentication, it is possible to set a Picture Key and pin for this lockbox.
The Eyecon box can be administered remotely and tracks usage. Sets you back $120 at this time.[where to find it]