1. Portable: The lock handle is detachable, installation, can be carried to different places for use, and can also be fixed on the wall. 2. Multi-function: Multi-functional large space, can store bank cards, keys, U disk, SD card, jewelry, etc. 3. Anti-theft: There are 10000 combinations of four sets of passwords, which are secure, effective and anti-theft and anti-decryption. 4. Wide application: suitable for households, dormitories, factories, warehouses, construction sites, host families, decoration companies, etc. 5. Durable Material: Made of aluminum alloy, and tough enough to withstand hammering, sawing and prying. Specification: Item Type: Key Box. Material: Aluminum Alloy Lock Handle Diameter: Approx. 9.5mm/0.37in Factory Password: 0000 Package List: 1 x Key Box 1 x Lock Handle