Meet the YEEUU K1: an app smart lock box that you can control with an app on your smartphone. Made for AirBnB hosts, K1 lets users issue passwords remotely and grant permission to guests for a limited period of time. The K1 an store up to 50 fingerprints at a time.
The K1 lock box can be programmed for permanent passwords. It keeps track of access records and makes the log available on your phone. The lock is protected with 128-bit encryption. This project is getting funded on Indiegogo.