Here is an app smart lock box made with Airbnb hosts in mind. The YEEUU K1 is a smart lock box with AES 128-bit encryption and in-app management. K1’s dynamic password feature lets you issue keys remotely. The lock box can recognize up to 50 fingerprints and uses machine learning to improve accuracy.
The K1 lockbox can be programmed with a permanent password. The companion app lets you manage permissions and view access log with detailed information, including time of access, password attempts, and method. You can find this product on Kickstarter at this time.[where to find it]
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