General description The Waterproof Mechanical Code Lock offers a keyless solution with a customizable 1-11 digit code combination, ensuring security without the need for traditional keys. Made from durable zinc alloy, this lock is designed for both interior and exterior doors, making it ideal for various applications such as office doors, rental properties, and composite doors. Technical specifications Material: Zinc alloy Tongue center distance: 60 mm (optional 70 mm) Panel dimensions: 14.2 x 4.4 x 7 cm (5.59 x 1.73 x 2.76 inches) Lock body dimensions: 14.2 x 4.4 x 6.4 cm Applicable door thickness: 30-60 mm Recommended password length: 4-6 digits Combination: 1-11 digit Installation Easy to install with included screws and an English manual. Usage Set a unique password with non-repeating numbers. For example, if the password 123456 is set to 231456, it can still be opened. The lock is suitable for various door types, providing flexibility in usage. Other information