Full Plastic Key Box Password Lock Door Key Storage Password Box(Blue)

1. Large storage space, can put keys, access cards, room cards, bank cards, U disk, etc.2. Mechanical principle, high-precision industrial design, precise operation, simple and smooth3. Curved edges, smooth and non-scratchy4. 4-position password wheel, 10,000 sets of passwords can be easily changed at will, high security, anti-theft strong5. Safe and reliable, to prevent loss, waterproof and dustproof6. Material: ABS plastic7. Size: about 12.8 x 9.3 x 4.3cm8. Weight: about 250gSetting password step by step:1. Initial password 0-0-0-0, open the combination lock2. Toggle the modification hole to move from point A to point B3. Turn the password wheel to set the desired password4. Toggle the change button from point B to point A