21 Languages Smart Door Lock with 40-120mm Door Thickness and 2 Years Warranty Biometric Door Lock

Smart locks are tech-integrated alternatives to traditional key-only locks, featuring multiple unlocking methods, security alarms, smart remote management, and emergency backups. Used in homes, rentals, offices, and hospitals, they streamline access control while boosting safety and efficiency—becoming essential for smart living.

Dongguan QLeung electronic technology co.,limited, we are founded in 2013 and registered in 2015, specializes in R&D, manufacture and Trading of Smart locks, Doorplate switch, Smart switch, so on
Currently the company has over 50 staff and covers an area of 4000 square meters.Qlueng's monthly productivity reaches 10000 sets.
We owns a strong R&D team and professional technology development department, By virtue of many excellent employees and management team, it is widely recognized in this industry.
Qlueng lays much great importance to quality and concentrates on details. No accepting defects, no producing rejects and no delivering failure is its quality policy. Various testing equipment is continuously perfected in its workshop to strictly inspect ongoing production and other processes.
Besides, we are ceaselessly improving its after sale service; all products have 2-year warranty period.
Great production capability, high item quality assurance and excellent service are basic guarantee to our development. We warmly welcome customers home and abroad to our company for a visit and discuss business, are willing to conduct OEM and ODM cooperation with you.