【Double‑Sided Mechanical Password Lock】Made of high‑quality zinc alloy material, , and has a long service life. 1‑11 digit combination key password setting
【Password Setting】Double‑sided password, passwords are required for both internal and external doors, any internal and external locks or knobs can be interchanged
【Multi-function】Sturdy fixing bolt design, no noise, provide you with a quiet using experience. With channel anti‑lock function and indoor anti‑lock function
【Widely Application】Waterproof design, suitable for wooden doors, patio doors, courtyard doors, indoor and outdoor doors. Completely mechanized, no battery or wired power is required
【 After-sales Service】Your satisfaction is our purpose, some unforeseen circumstances may occur inevitably. If you have any questions, please feel to us to resolve any issues. We will give you satisfactory answer