Features: 1. Durable and safe, our safe is not easily damaged by hammers, saws, drills, etc., and can effectively protect your keys 2. Reset your password at any time according to the instructions. 3. Easy to install: pre-drilled, very convenient to install. Instructions for use: 1. Put down the dust cover to expose the dial. 2. Rotate the dial to the preset password combination 3. Open the door completely and add or remove the key. 4. Close the door and rearrange the password dial to lock the door and hide the password. 5. Close the dust cover. Specifications: Product name: Password key lock Product color: gray, black Product material: engineering plastic Overall dimensions: about 120mm*95mm*40mm Inner dimensions: about 85*62*30mm Scope of application: various keys of suitable sizes Notice: 1. Keep the dust cover closed to improve weather resistance. 2. We do not recommend using the "A-A-A-A" combination, which can be easily cracked. 3. It is recommended to rotate the dial once a week so that it rotates easily and freely. 4. Light shooting and different monitors may cause the color of the item in the picture to be slightly different from the real color. 5. There may be ±1-3cm error due to manual measurement. Package List: 1 * Key Storage Box 1 * Set of Installation Accessories 1 * User Manual (English)