How does the lock handle illegal cards?

The PCB will not be damaged by illegal cards, and the lock continues to work normally.

What power source does the lock use?

It uses 1.5V alkaline batteries, with 4 pieces required.

Hotel Magnetic Door Lock with Access Key Card

Name: Hotel Magnetic Door Lock with Access Key Card
Brand: Douwin Int'l Industry Limited
SKU: 691405572

Guangdong, ChinaDouwin Int'l Industry Limited

US$35.00

50 Pieces

Product profile

Customization

Available

Material

Zinc Alloy

Type

Electronic

Model NO.

344

Style

Modern

Shape

Mortise Door Lock

Anti-theft Standard

Part

Lock

Backset

60mm

Door Thickness Fits

35-50mm

Lock Cylinder Length

65mm

Usage

Household Door Locks, Bedroom, Hotel

Surface Treatment

Brushed Stainless Steel

Remote Control

Without Remote Control

Power Type

Data Storage Types

Offline

Certification

CE, FCC, ISO

Color

Silver

Door Thickness

38-60mm

Certificate

FCC&CE

Waterproof

Yes

Delivery

Within 10 Days

Payment Term

T/T/ Paypel /West Union

Battery

4 Pieces of AA Bateries

Place of Origin

China

Antimagnetic

Yes

Lock Type

Card Key Door Lock

Transport Package

in Carton

Specification

CE FCC

Trademark

DouWin Lock

Origin

Guangzhou

HS Code

83014000

Production Capacity

300000 Set/Sets / Year

Key features

Antimagnetic & Waterproof: RF card features antisepsis, antimagnetic, and waterproof properties for durability.

Fast Opening Speed: Effectively opens the door within six seconds after inserting the card.

Low Voltage Warning: Allows door opening fifty times even after low voltage warning is triggered.

Anti-Illegal Card Protection: PCB remains undamaged by illegal or conductive metal cards; lock works normally.

Dual Control Driving: Utilizes motor and motor-mechanic dual control for reliable operation.

Long Battery Life: Supports about 20,000 times for IC card and 12,000 times for RF card usage.

CE & FCC Certified: Products are CE-certified and meet FCC standards for safety and quality.

Company profile

Douwin Int'l Industry Limited

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2006-06-18Nearest Port: GuangzhouAverage Response Time: ≤15hTerms 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.