This is a storage box. There are four passwords. The initial password is 0000. Strong and high quality shell to prevent thieves from using violence to steal keys is waterproof. Convenient storage keys and important small objects. It is suitable for home, office, warehouse and other places. This is a good idea for people who often lose their keys. Type:Key storage box colour:Gray Material:Aluminum alloy + ABS size:15 x 10 x 8cm Package Contents: 1 x Key storage box 1 x Waterproof Cover 4 x Screw 4 x Expansion plug 1 x English manual Only the above package content, other products are not included. Note: Light 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.