1. Material: aluminum alloy2. Ten thousand sets of passwords can be changed at will, with high security3. Increase the space, store more, simple and easy to operate4. Suitable for key management of homes, factories, construction sites, etc., and safe storage of scattered keys5. Dimensions: 114x94x4 mm6. Weight: about 150gChange the password:1. Initial password 0-0-0-0, move the switch down2. After opening, push the password modification switch on the lock to R, and pull down to lock3. Modify the new password, press the lock twice to move freely, and then adjust the password modification lever back to the original flavor4. Password modification completed

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