Made of highquality zinc alloy material, antirust, durable and has a long service life.
Completely mechanized, no battery or wired power is required.
Waterproof design, suitable for wooden doors, patio doors, courtyard doors, indoor and outdoor doors.
Sturdy fixing bolt design, no noise, provide you with a quiet using experience.
11 digit combination key password setting. Double-sided password, passwords are required for both internal and external doors, with channel anti-lock function and indoor anti-lock function, any internal and external locks or kno