Meet the ImLockbox: a Bluetooth lockbox for rental property managers, Airbnb hosts, shop owners, and everyone in between. It is designed to make it easy to give access to your place from your phone. Its dynamic password feature lets property owners issue and send passwords to guests in a flash. Limited time temporary passwords are also supported.
The ImLockbox has a smart app that lets you manage users and view access logs. It protects your home with 128-bit encryption. It is also waterproof. You can find out more about it here.