2-4 Digit Mechanical Combination Security This Digit Code Lock operates using a straightforward 2 to 4-digit mechanical combination, providing keyless convenience and easy-to-remember access control. Simply set your personal code to secure or unlock the device without the need for physical keys or batteries. Durable Waterproof Alloy Construction The Security Coded Lock features a robust lock case crafted entirely from high-quality alloy. This waterproof construction ensures the lock's internal mechanism is protected from moisture and environmental elements, making it reliable for various conditions. Hardened Chrome-Plated Surface Featuring a chrome-plated finish achieved through special cold rail processing and hard casting, the Mechanical Code Lock offers an elegant appearance combined with enhanced durability and resistance to wear, scratches, and corrosion. Enhanced Anti-Tamper & Vandal Resistance Built with a focus on security, the overall hard-cast alloy design of this Door Coded Lock provides increased resistance against physical tampering and violent damage attempts, offering dependable protection for your belongings. Versatile Indoor & Outdoor Application Designed for flexibility, this Door Lock is suitable for securing a wide range of indoor and outdoor doors, including garden gates, storage sheds, garage access doors, lockers, and tool cabinets, wherever simple, durable access control is needed., Manufacturer: Dioche