Specification: 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. 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. Feature: 【Widely Used】 It can be used in a variety of locations, such as homes, schools, hotels, communities, construction sites, etc. 【Intimate Design】 The rain cover of the password box can be closed to prevent freezing and blockage. 【Excellent Quality】 Metal lock body, exquisite workmanship, sturdy and durable, safe and reliable. 【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. 【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. Package Including: 1x Password Key Box 1x Long Screw 2x Spacers 1x Nut 4x Expansion Screws 1x Manual 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. 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. The rain cover of the password box can be closed to prevent freezing and blockage. Metal lock body, exquisite workmanship, sturdy and durable, safe and reliable. It can be used in a variety of locations, such as homes, schools, hotels, communities, construction sites, etc.