Mechanical Digital Door Lock, Keyless Lock, 4-7 Digit Combination Lock, Double-Sided Lever Handle, Waterproof, Zinc Alloy, No Battery Required, Suitab

【Password Setting Method】The C key is the reset key. If you enter the wrong password, first press the C key, then enter the correct password. All keys other than the C key can be set as the password.

【Wide Range of Applications】This is a double-sided lever handle type keyless lock that unlocks simply by pressing the set number buttons. It's compact and lightweight, making it easy to carry, and can be easily installed on items and doors in places where keys are unsuitable, such as office doors, interior doors, rental doors, and complex doors.

【Easy Operation】By setting a 4-7 digit code, you can unlock the door without needing a key. Only one code can be set; the numbers cannot be repeated. It uses an easy-to-operate sensitive combination key. A screw kit and English instructions are included for easy installation.

【Load-Bearing Capacity & Durability】This keyless mechanical door lock with a combination keypad is a simple, reliable, and practical security lock. This type of lock is constructed from robust metal, providing high load-bearing capacity and good durability. [No batteries or power supply required] Mechanical combination locks have a long lifespan, low maintenance costs, require no batteries or power supply, and rely entirely on human operation, thus being unconstrained by power sources and environmentally friendly.