Recodable and Keyless Security: Choose from 10,000 combinations with our 4-wheel recodable bolt lock. Easily set and reset your code without keys, using a digital password method. Waterproof and Durable: Made of zinc alloy with rust-resistant coating, this lock is weatherproof. Features chrome-plated dials, a 10mm steel bolt, and pick-resistant components. 2 Installation Methods: Use the metal sleeve and bolt for doors and frames on the same plane. For 90-degree angles, opt for the side door buckle and bolt method (requires frame drilling). Easy to Use: Dial the code and lift the handle to unlock. To lock, enter the code, lower the handle, insert the pin, and reset the code. Always reset after unlocking to prevent accidents. Wide Application: Compact size (4.76 x 1.81 x 1.57 inches) fits tight spaces. Ideal for sheds, cabinets, gates, fences, and more, both indoors and outdoors.