Product description Colour Name:Black Specifications: Material: Aluminum Alloy + Zinc Alloy + Plastic Panel Color: Black/Gray (Optional) Size: 120 x 96 x 40 mm Internal Size: 85 x 62 x 30 mm Password Setting: the initial password is (0000) Step 1: If the password is correct, dial the setting button from A to B. Step 2: Fluctuate the password wheel to adjust to the password you want. Step 3: Dial the setting button back from B to A, and the password setting is complete. Parts List: 1x Password Key Box 1x Long Screw 2x Spacers 1x Nut 4x Expansion Screws 1x Manual Note: Due to manual measurement, there will be an error of 1-3 cm. Due to the different monitors, there will be some color difference. 【Large Capacity】 The internal size is 85 x 62 x 30 mm, with a large storage space, which can store multiple keys or access control cards, etc. 【Excellent Quality】 Metal lock body, exquisite workmanship, sturdy and durable, safe and reliable.4 Digit Combination Lock code to ensure robust protection for your valuables. 【Intimate Design】 The rain cover of the password box can be closed to prevent freezing and blockage. 【Easy to Install】 4 expansion screws can be used to install the code box on the wall. Use washers, nuts and long screws to install the code box on peepholes or other holes. 【After-sales service】If you are not completely satisfied with your purchase,please contact us directly,then we'll committed to provide help for you and give you a satisfactory answer.