Digital mechanical combination lock - Keyless anti-theft - Home security - For office and home.

GENERAL USE: Mechanical locks offer increased security and are suitable for office doors, interior doors, rental doors, composite doors, or any location where keys are inconvenient. KEYLESS OPENING: Users of this zinc alloy lock can set a 4- or 7-digit code, unlock the door without a key, and enjoy the convenience and freedom of keyless access. Only one code is allowed, and the digits cannot be repeated. LOCK RESET: The C key is used to reset the system. If an incorrect password is entered, first press the C key, then enter the correct password. All other keys, except the C key, can be configured as part of the password. HIGH-QUALITY MATERIAL: This keyless mechanical lock features a high-quality zinc alloy combination keypad that is durable and rust-resistant, designed for long-lasting use. Equipped with a tamper-proof, waterproof, and anti-theft keypad locking system, it offers enhanced security. EASY INSTALLATION: This smart keyless lock features a highly sensitive and easy-to-use code system. Installation is very simple (no additional drilling required), and programming is extremely easy.