What power source does the lock use?

It uses 6V DC power, provided by 4 pieces of 1.5V AA alkaline batteries.

What is the fireproof rating?

The lock has a UL fireproof grade certification.

What door thickness fits this lock?

It is applicable for doors with a thickness between 40mm and 60mm.

Selling Best Electronic Biometric Fingerprint Door Lock Card Lock

Name: Selling Best Electronic Biometric Fingerprint Door Lock Card Lock
Brand: Douwin Int'l Industry Limited
SKU: 760917825

Guangdong, ChinaDouwin Int'l Industry Limited

US$197.00

1-19 Pieces

US$190.00

20-49 Pieces

US$185.00

50+ Pieces

Sample price:US$197.00/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Fingerprint

Model NO.

FA822SD

Style

Modern

Shape

Mortise Door Lock

Anti-theft Standard

Part

Lock

Backset

60mm

Door Thickness Fits

40mm-60mm

Lock Cylinder Length

110mm

Usage

Household Door Locks

Opened by

Fingeprint, Password

Emergency

Opened by Electronic Key Which Never Can Be Copied

High Security

Without Mechanical Key

Fireproof Grade

Transport Package

Carton

Specification

CE, FCC, UL

Trademark

DouWin

Origin

Guangzhou

HS Code

83014000

Production Capacity

200000PCS/Year

Key features

Triple Access Modes: Supports fingerprint, password, and electronic key for convenient entry.

High Security Design: No mechanical key; uses unique, non-copyable electronic key for emergencies.

UL Fireproof Grade: Certified UL fireproof grade for enhanced safety and durability.

Fast Recognition: Optical fingerprint comparison time is less than or equal to 1 second.

Low Power Consumption: Static power 45UA; operates on 6V DC (4 AA batteries) for long life.

Stainless Steel Build: Durable stainless steel material with modern mortise door lock style.

CE Certified Quality: Manufactured by DOUWIN, a specialized CE-certified electronic lock producer.

Anti-Theft Standard B: Meets B standard anti-theft requirements for household door security.

Company profile

Douwin Int'l Industry Limited

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2006-06-18Nearest Port: GuangzhouAverage Response Time: ≤11.34hTerms of Payment: T/T, PayPal, Western UnionInternational Commercial Terms(Incoterms): FOB, CFR, CIF, CIP, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as a Guangzhou-based trading company associated with wholesale and retail activities. It reports OEM and ODM services, SDK availability, new product launches, and broad customization options. Production information states annual electronic-lock output of 250,000 sets, with lead times within 15 working days in both peak and off-peak periods. Export coverage is broad, and exports account for 71%–90% of total sales. However, the supplier reports no inventory, overseas warehouse, overseas showroom, overseas agent or branch, or offline trade-show participation. Customer complaint and corrective-action processes have no written procedures or records, while quality-assurance status and testing-equipment information are incomplete; stated quality-control test equipment quantity is zero. No explicit certification or customer-case evidence is provided.

After-Sales capabilityAfter-sales and service-system evidence is weak: there are no written corrective/preventive-action or complaint-handling procedures or records, no inventory, overseas warehouse, showroom, agent or branch, and no overseas service countries reported. The supplier does report acceptable quotation and payment terms, but these do not establish effective after-sales support.

R&D capabilityThe supplier reports R&D engineers with 11–20 years of total experience, SDK availability, new products launched in the past year, and ODM capability. These explicit indicators support an innovation capability advantage.

Production capacityReported production capacity is 250,000 electronic-lock sets annually, with lead times within 15 working days during both peak and off-peak seasons. The supplier also reports no in-stock service capacity, while outsourcing procedures and contracts are unknown; therefore, production output and lead-time capability are supported, but broader operational resilience is not fully evidenced.

Customization capabilityThe supplier explicitly offers flexible, minor, and full customization, including customization from designs and samples. It also reports both OEM and ODM services, providing clear evidence of broad customization capability.