4-digit anti-theft securityThe 4-digit password provides 10,000 password combinations to improve security and better protect your property. You can set any combination of numbers as your password , but remember of your password. There is a password window on the side to better protect the password wheel High Quality Material and Solid ConstructionThe padlock is made of high quality zinc alloy. The padlock shackle is made of stainless steel, anti-rust and anti-corrosion. It is the most durable and secure padlock Easy to carry and easy to useThe padlock is very compact. The single padlock weighs 147g and measures 80mm x 43mm x 20mm. You can use them anywhere without having to carry a key Wide ApplicationsDesigned for indoor and outdoor use, suitable for most lightweight applications such as locker rooms, cabinets, suitcases, wheels and general storage. No keys needed, you can use the Diyi padlock at any time