Product size: 3.5 x 5.4 cm. Initial password: 000. Password change method: 1. Align the original password with the scale line. 2. Use the tip of a pen or a pointed object. 3. Find the code setting button on the side of the lock and push it in without releasing it. 4. Turn the password dial, choose the password you need and align it with the scale line. 5. Release the code setting button and the password is changed successfully. Sturdy and elegant design: This padlock is made of zinc alloy, which is durable, rustproof, weatherproof, small size and light. SUITABLE FOR DIFFERENT OCCASIONS: This padlock is suitable for both indoors and outdoors, perfect for gates, sheds, storage rooms, gyms, schools, staff, garages, tool boxes, luggage lockers and more.