The Digital Mechanical Code Door Lock is a keyless, easy-to-install solution made of steel alloy material. It is designed to be waterproof and suitable for interior and security doors, with a polished silver finish. With universal mounting capabilities and a thickness range of 30 to 60mm, this sleek and durable lock offers both security and convenience for any home or business setting. This double-sided lock provides peace of mind with its advanced features and high-quality construction.