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We offer a one-year warranty and provide 1% spare parts. Additionally, we provide installation and after-sales service for our products.

Thumbprint Entry Smart Fingerprint Biometric Door Knob Lock with APP Control

Name: Thumbprint Entry Smart Fingerprint Biometric Door Knob Lock with APP Control
Brand: Fujian Chainfun Electronic Technology Co., Ltd.
SKU: 2258568775

Fujian, ChinaFujian Chainfun Electronic Technology Co., Ltd.

US$28.00

10-299 Pieces

US$26.00

300-499 Pieces

US$25.00

500+ Pieces

Sample price:US$28.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Manual Instruction

Warranty

1-Year

Model NO.

K01

Material

Aluminum Alloy

Type

Electronic

Style

Modern

Shape

Ball

Anti-theft Standard

Door Thickness Fits

35-65mm

Lock Cylinder Length

Adjustable 60/70mm

Usage

Bedroom

Lock Types

Biometric

Recommended Uses of The Product

Home Safety, Office Safety

Color

Silver/Black

Control Methods

Application

Transport Package

1PCS in One Box

Specification

24pcs in one cartons

Trademark

None

Origin

Fuzhou, China

Production Capacity

1000000 Pieces/Year

Key features

Multi-Mode Operation: Features passage, entrance, and privacy modes for enhanced flexibility.

Local Data Storage: Fingerprints stored locally on device, never uploaded to cloud for privacy.

Smart App Control: Manage users and records via TTLOCK or Tuya app within Bluetooth range.

Voice Assistant Compatible: Seamlessly integrates with Amazon Alexa and Google Home.

Durable Construction: Made of aluminum alloy with dustproof and waterproof design.

Fast Unlocking: Recognizes fingerprints and unlocks in approximately 1.5 seconds.

Comprehensive Warranty: Includes 1-year warranty with 1% free spare parts and installation support.

Low Battery Alert: Visual display and audible alarm notify users when battery is low.

Company profile

High Repeat Buyers ChoiceCustomization from SamplesR&D CapabilitiesDigital Management Enterprise

Fujian Chainfun Electronic Technology Co., Ltd.

Fujian, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 Years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤3.93h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryFujian Chainfun Electronic Technology Co., Ltd. is a China-based limited trading company established in 2019 with nine employees. It reports professional technical R&D capability, customization from designs and samples, and annual smart door-lock productivity of 200,000 sets. However, it does not provide 3D software design, ODM, SDK, or popular-brand OEM services, and reported no new products in the past year. Export sales are stated at 90%, with six years of exporting experience, but another record states that no valid import/export license is held. Service-quality controls are weakly documented: complaint handling and corrective/preventive actions have no written procedures or records. The supplier has no overseas warehouses, showrooms, agents, branches, or offline trade-show experience. No certification, financial-strength, or customer-case evidence is provided.

After-Sales capabilityThe supplier has no overseas warehouse, showroom, agent, or branch, and has not participated in offline trade shows. Its complaint-handling and corrective/preventive-action mechanisms have no written procedures or records, although relevant service-capability records exist; this indicates a documented-service weakness.

R&D capabilityThe supplier is described as having professional technical R&D capability and offering multiple customization modes, but it reported no new products during the past year and does not provide ODM services, SDK availability, or 3D software design services. The evidence therefore shows technical capability but limited recent product-development breadth.

Production capacityAnnual productivity is stated as 200,000 smart door-lock sets, with peak- and off-season lead times both within 15 workdays. However, the company is classified as a trading company, and the slices do not establish whether this capacity is owned manufacturing capacity or supplied through partners.

Customization capabilityThe supplier explicitly offers full, minor, and flexible customization, including customization from customer designs and samples. This is consistent across the R&D and design-service records and demonstrates broad stated customization support.

Product Q&A

Q:Are you a manufacturer?

Yes, we are a professional smart lock manufacturer with over 7 years of experience in China. We operate a 15,000 square meter factory with 4 assembly lines capable of producing 5,000+ sets daily. Our team includes 200+ members, 32 R&D engineers, and we hold 50+ patents.

Q:Can I get customization according to my own requirements?

Sure. We offer Simple OEM Customization including logos, packaging, colors, and finishings. We also provide Deep ODM Customization for appearance, functions, performance, software integration, and server deployment.

Q:How do you guarantee product quality?

Every lock undergoes 100% inspection before leaving the factory. We also conduct various performance tests including salt spray, constant temperature, durability, vibration, alcohol abrasion, single-arm drop, and infrared tests.

Q:What is your MOQ and delivery method?

Our MOQ is 1 set. We can ship smart locks to your country port or directly to your door. Please provide your port name or address for the most competitive price and freight.

Q:What is your delivery time?

The delivery time is 15-35 days after receiving your deposit.