Product Details
A smart lock is an electronic locking system that replaces physical keys with advanced authentication methods, including biometric recognition , encrypted digital codes, and wireless connectivity (Bluetooth, Wi-Fi, NFC). It integrates with smart home platforms and cloud-based management systems to enable remote control.
Biometric Access: High-precision fingerprint
Wireless Unlocking: Bluetooth proximity unlocking, NFC card/tag compatibility.
Commercial Solutions
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Offices: Employee badge/NFC integration with attendance systems.
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Vacation Rentals: Auto-generate unique codes for guests via platforms like Airbnb.
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Homes: Secure entry with fingerprint recognition; grant temporary access to cleaners/delivery personnel.

Door Type | Wood door, Steel door, Stainless Steel door, Aluminum door |
Place of Origin | China |
| Guangdong |
Brand Name | Qleung |
Model Number | S821MAX |
Data Storage Options | Cloud |
Network | wifi |
Material | Aluminum alloy |
Color | Black |
Door thickness | 38-55mm |
Unlock way | Tuya APP & Password & Fingerprint & card & key |
Weight | 2.5kg/pcs |
Mortise | 5050-22*160mm (Other sizes can be negotiated) |
Battery | 4AA Alkaline Battery |
Application | Apartment,VILLA,Office,Hotel |
Warranty | 2 Years |
Certification | CE, ROHS |
Company Profile
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。