1、The combination of 4 digits is easy to remember, but difficult to decipher, which can guard savety. 2、The turntable of our box is large and rotates smoothly, making it suitable for all ages. 3、Large internal space is enough to store multiple keys and convenient for family or guests to use. 4、The key box is made of alloy, which makes it weather‑resistant and able to withstand hammering, prying and drilling. 5、Professional design and reasonable structure makes it simple and easy to set a new password. 1 x Key Lock Box4 x Expansion Screw1 x Nut1 x Coil1 x Gasket5 x Screw1 x User Manual Item Type: Key Lock B​​oxModel: CH-811Product Size: Approx. 3.5 x 9.3 x 9.4cm / 1.4 x 3.66 x 3.7inPassword Type: 4 digitsType: Wall-mountedHow to Use: Open the front cover, fix it to the cat eye of the door with screws and washer nuts, or fix it on the wall with expansion screws and ordinary screws after drilling holes on the wall.