【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.
【No Battery 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, making them environmentally friendly and unconstrained by power sources.
【Easy Operation】Users can unlock the door without a key by setting a 4-7 digit code. Only one code set is allowed; 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】The keyless mechanical door lock with 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. 【Wide Range of Applications】Compact and lightweight, making it easy to carry, this lock can be easily attached to items and doors in places where keys are unsuitable, such as office doors, interior doors, rental doors, and complex doors.
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