What is the inductive distance?

The inductive distance for card recognition is between 3cm and 10cm.

What is the lead time for orders?

The average lead time is within 15 workdays for both peak season and off-season.

What payment terms are accepted?

We accept T/T, Western Union, and PayPal as payment terms.

Fireproof Hotel Door Locks and Handles

Name: Fireproof Hotel Door Locks and Handles
Brand: Douwin Int'l Industry Limited
SKU: 689278692

Guangdong, ChinaDouwin Int'l Industry Limited

US$49.00

50 Pieces

Product profile

Customization

Available

Material

Zinc Alloy

Type

Electronic

Model NO.

615RFSA

Style

Country Style

Surface Treatment

Brushed

Color

Silver

Usage

Household Door Locks, Hotel Lock

Door Thickness

40mm-60mm

RFID Card

Opened by 125kHz Card or 13.56MHz MIFARE Card

Fireproof Grade

Place of Origin

China

Payment Term

T/T Western Union Paypal

Lock Type

Smart Card Lock

Part

Key

Transport Package

One Piece Per Box(293mm*175*154, G. W.: 3.2kg)

Specification

CE, FCC

Trademark

DouWin Lock

Origin

Guangzhou, China

HS Code

83014000

Production Capacity

120000PCS/Y

Key features

Fireproof Certification: UL fireproof grade ensures high safety standards for hotel and household use.

Dual Frequency Support: Compatible with 125kHz ID cards and 13.56MHz MIFARE cards for versatile access.

Free Installation Training: Factory provides free training for lock installation and management software setup.

2-Year Warranty Coverage: Free spare parts and replacement for defective locks during the two-year warranty period.

High Anti-Static Protection: 15,000V anti-static electricity ensures data integrity under strong interference.

No Management Software Needed: Cards can be issued directly by the lock, simplifying operation for households.

Zinc Alloy Construction: Durable zinc alloy body with brushed silver finish for long-lasting performance.

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.

Product Q&A

Q:What is the warranty period?

We provide a comprehensive 2-year warranty. All spare parts are free during this period, and we will replace defective locks for free if we cannot solve the issue remotely.

Q:What types of cards are supported?

The lock supports both 125kHz ID cards and 13.56MHz MIFARE cards for opening the door.

Q:How many cards can one lock issue?

One door lock can issue up to 30 pieces of open door cards.

Q:Is installation training provided?

Yes, we provide free training for the installation of the lock and management software at our factory.

Q:What is the power supply requirement?

The lock uses a DC6V power supply with static power supply less than 1uA and dynamic power of 200mA.