Advantages 1. Aluminum Alloy Great durability ensures it won't be opened forcedly Waterproof & Dust-proof PE Protective Cover Prevent the rainwater and dust entering the key box Dimension Whole Size: 83 * 124 * 39mm / 3.3 * 4.9 * 1.5in (L * H * D) Inner Size: 75 * 92 * 26mm / 3 * 3.6 * 1in (L * H * D) How to reset code 1. Open the protective cover 2. Open key box by the default code (0-0-0-0) 3. Push the RESET lever to the right and upward 4. Rotate dials to set your desired combination. 5. Push the RESET lever back to the original position Warm Tip: Take a photo to remember your password How to install 1. Determine the position of nails 2. Drill holes on wall 3. Nail the wall plugs. 4. Install the box by screws What is in the package 1 * Key safe box 1 * Waterproof cover 1 * English manual