The smart key lock box combines the convenience of Bluetooth Smart app, fingerprint, passwd access card unlocking to simplify access your family friends. The smart lockbox pairs seamlessly with Tuya Gateway (sold separately) f remote unlocking through the smart app, eliminating distance troubles providing anytime, anywhere control. You don't need to be near the real estate agent lock box to access it anytime anywhere. The smart key box is made of high-quality zinc alloy solid steel f excellent durability strength, ensuring protection against hammering sawing. The ptable key lock box comes with a removable shackle can be mounted do hle or fence hanging, providing flexibility to install anywhere you like. Powered by 4 AAA alkaline batteries (not included), emergency unlocking via USB pt. capacity key lock box: 2.56 x 4.33 x 1.57 inches (. 6.9 x 11.5 cm), meeting multiple needs, including daily use, , home service, car service, real estate business. col: 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 Only the above package content, other products are not included. Note: Light reflection different displays may cause the col of the item in the picture a little different from the real thing. The measurement allowed err is 1-3cm.