Manage your smart key box with the free TTLock app + advanced 3D fingerprint sensor + touch screen keyboard with backlight and anti-peeping virtual password (6-9 digits) + smart card (5 included) + physical keys (2 included). Made of aluminum alloy, this lock box can be used both indoors and outdoors and can be hung on a door handle or fixed to the wall. Easily installs on drywall, steel gates, fence posts and more. Large capacity to hold multiple keys, key cards, vehicle keys or other important items. Provide access codes and virtual keys to family, friends, housekeepers and others without worrying about lost or duplicate keys. Manage access anytime, anywhere. Whether you are a homeowner, tenant, short-term rental property manager or real estate manager, a smart key lock box makes it very convenient to share your car or house keys or access cards with others. Paired with a WiFi gateway (Not included), you can lock/unlock the Bluetooth lock box anytime, anywhere, set codes remotely and check real-time access logs. Powered by 4 AAA batteries, waterproof, LED backlit design gives you the freedom to install anywhere near the lock.<br><br>Low battery alarm on TT Lock App (free APP) with emergency power socket and spare key. When the power is extremely low or the battery is completely exhausted, don't worry, use the spare key to open the door, the Micro-USB power bank can also be used as a temporary power source. Material: plastic colour: black<br><br>Package Contents: 1 x box, 5 x IC cards 1 x accessory bag 1 x USB cable (TYPE-C) 2 x mechanical key<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.