①. Enhanced Security: This recodeable combination lock adds a 4-digit combination to ordinary door latch locks, allowing you to set up to 10,000 possible passwords, helping improve security and privacy. The default password is 0-0-0-0, no key needed, no worry about losing the key. ②. Solid and Durable: The door latch lock is made of alloy material, a solid steel bolt with a diameter of 10mm and covered with a waterproof coating, which helps protect the lock from rust and bad weather, and may improve wear resistance, hardness as well as provide resistance to picking and durability. The handle is also made of solid steel, which is not easy to break and not easy to loosen. ③. 2 Installation Methods: Our combination slidebolt lock supports 2 installation methods, vertical and horizontal. ④. Suit for Indoor and Outdoor: Combination lock is easy to install and can be installed in the most compact spaces. The combination lock is suitable for all around use including school or home lockers, sheds, cabinets, storage areas, garden gates, farmhouses, cupboards, wine cellars and any place where you want to keep security and privacy. Note: The data is all measured manually, please allow 1-3cm error; due to the light and display difference, there will be a certain color difference, the actual object received shall prevail.