Home Key Wireless Smartlock Box, Smartkey Lock Box, Electronic Key Box App Digital Code Bluetooth Key Safe For Host The Smart Key Lock Box offers the convenience of Bluetooth Smart app, fingerprint, password, and access card unlocking, simplifying access for your family and friends. It seamlessly pairs with the Tuya Gateway (sold separately) for remote unlocking through the smart app, eliminating distance limitations and providing control anytime, anywhere. You no longer need to be near the real estate agent lock box to access it. Crafted from high-quality zinc alloy and solid steel, the smart key box ensures excellent durability and strength, offering protection against hammering and sawing. The portable design features a removable shackle, allowing for mounting or door handle/fence hanging, offering flexibility in installation. Powered by 4 AAA alkaline batteries (not included), emergency unlocking is possible via USB port. The capacity of the key lock box is 2.56 x 4.33 x 1.57 inches (6.9 x 11.5 cm), catering to various needs including daily use, home service, car service, and real estate business. Specifications: Color: Black Material: Metal Package Contents: 1 x Box 2 x Access Control Card 5 x Silicone Hole Plug 1 x USB Cable 1 x Removable Shackle Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3cm.