Heavy Duty Biometric Digital Padlock With Fingerprint

Yuefong’s biometric padlock offers fast fingerprint access under one second, supported by a password feature. The lock is designed for extreme conditions, featuring a zinc alloy body and ultra-low power consumption providing up to 9 months of battery life.

Biometric SecurityZinc AlloyIP67 Waterproof

Leading Source Factory. Global Certified Excellence.

20+ Years Experience | 50+ Production Lines | 100% Quality Inspection

From ISO to Fire-proof certifications, our facility is engineered for precision. Yuefong Lock offers the ultimate OEM & ODM partnership, delivering factory-direct professional support for security professionals worldwide.

Overview

Yuefong is a professional lock manufacturer with over 20 years of experience and strong R&D and production capabilities, fully equipped to provide premium OEM and ODM solutions for your electronic combination padlock needs.

This heavy-duty smart padlock features ultra-fast fingerprint recognition in under one second and supports a secure combination password, offering versatile keyless access.

Built to withstand extreme conditions, the durable zinc alloy lock body and tough A3 steel shackle provide exceptional cut-resistant and pry-resistant security for your valuables.

Engineered with an IP67 waterproof rating and ultra-low power consumption, this reliable outdoor biometric padlock delivers an impressive 600 days of standby time.

You can confidently deploy this robust security padlock across various demanding environments, including warehouse doors, truck cargo doors, fence gates, and industrial distribution boxes.

At a Glance

  • Ultra-fast fingerprint recognition (<1s)
  • Durable zinc alloy and A3 steel construction
  • IP67 waterproof for all-weather security
  • 50 fingerprint capacity

Specifications

SpecificationDetail
Unlocking MethodFingerprint / Password
Lock Body MaterialZinc Alloy
Lock Body Size6530111mm
Password Length4 digits
Unlocking Time<1s
Shackle MaterialA3 Steel
Shackle DiameterØ10mm
Fingerprint Capacity50 sets
Waterproof RatingIP67
Battery Life9 months

Factory Video

Product Details

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Manufacturer Advantage

Zhongshan Yue-fong Mai’s Manufacture Co., Ltd. — a true source factory for B2B smart locks and high-security padlocks (not a trading company).

70,000㎡
Production complex, 600+ staff
10M+/yr
Annual output capacity
±0.02mm
In-house master mold precision
120–240h
Salt-spray tested (ASTM B117 / ISO 9227)
OEM / ODM / JDM
CAD blueprints in 3–5 days
CE / FCC
Compliance — certificates on request

FAQ

What materials are used in the construction of the padlock?

The lock body is made of durable zinc alloy, and the shackle is constructed from tough A3 steel for enhanced cut and pry resistance.

How does the unlocking mechanism work?

The padlock offers two unlocking methods: fingerprint recognition and a 4-digit password. It supports up to 50 unique fingerprint sets.

What is the battery life of the padlock?

The padlock features ultra-low power consumption, providing a battery life of up to 9 months.

Is the lock available for OEM or ODM services?

Yes, Yuefong provides premium OEM and ODM solutions tailored to your electronic padlock needs.

What is the minimum order quantity (MOQ)?

The minimum order quantity will depend on specific business agreements. Please contact us for detailed information.

Customer Reviews

Honestly, the scale of this place is insane. I visited their 'Garden Factory' in Zhongshan last year and seeing those high-speed die-casting machines in action convinced me. We’ve moved our entire 200k-unit padlock order here. They just don't miss a deadline.
S. Henderso
Head of Procurement
Total lifesaver! We needed a specific Tuya firmware tweak for our glass door lock series. Most vendors said 'impossible,' but Yuefong’s R&D team handled it like pros. It’s clear they own the full manufacturing chain—not just assembling parts from someone else.
Luca T.
IoT Solutions Architect
In 20+ years of hardware sourcing, I prioritize a factory’s internal QA standards. Yuefonglock’s 120-hour salt spray testing and C-level cylinder precision are top-tier. For anyone looking for a reliable manufacturing partner in China, this is the gold standard.
Hans G.
Security Hardware Consultant

Where Excellence Grows

Step inside our 70,000㎡ Garden Factory, where 23 years of heritage meets modern smart manufacturing.

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