Recodeable and Keyless Security: With our 4-wheel recodeable combination lock, you can choose your preferred code from 10,000 different combinations. The code can be easily recalled. Security comes with the ease of setting and resetting your combination code without any hassle. You don't need to carry multiple keys or replace locks because it uses a digital password method. Waterproof and Durable Zinc Alloy Material: The combination bolt lock is made of zinc alloy, making it durable and weather-resistant year-round. The body has a rust-resistant coating, making it waterproof, and the barrel bolt dials are chrome-plated. The combination slide lock comes with pick-resistant dials, a solid 10mm diameter steel sliding bolt, and one-way security screws. 2 Installation Methods: Locking Sleeve Installation: When the door frame and door are on the same plane, the metal sleeve + bolt installation method is used. Side Door Installation: When the door frame and door are at a 90-degree angle, the side door loop + bolt installation method is used, and the door frame must be opened through a hole. Easy to Use: To unlock, you can enter the password and pull the handle upwards to open the door lock. To lock, you can enter the password, move the handle downwards, insert the pin into the lock hole, and then enter the password; the shed lock is now locked. After unlocking, be sure to enter the password promptly to avoid accidental locking. Wide Application: With dimensions of 121*47*40mm, the combination door lock is easy to install. Mounts in the most compact space. Protects your sheds, barns, cabinets, doors, iron gates, wooden gates, fences, or windows. It's the perfect locking solution for both indoor and outdoor environments. Color: Black Quantity supplied: 1 piece (with side latch + mounting screws*6)