Features:  This Smart Bluetooth enabled lock box is a reliable entry backup plan. The only two things you have to do is placing the key or card in the box, then set the password for yourself, family members or friends and you will never be locked out again. This Key Lock Box provides you another fast and safe access to your home.  App control via Bluetooth, you can manage property accessibility safely, conveniently and smartly, both for you and your guests.  Every time when the box is been opened, ENERJSMART App will keep all the tracks in the opening record, you can have a piece of mind knowing who, when and with which method of accessing.  Sturdy and reliable: The security is extremely high, it is not easy to be damaged, and the special material is used to safely store the items you put inside.  It is ideal for home as well as for B&B hotel. Use it to store all kinds of keys, convenient and fast, without having to face-to-face contact with the tenant.