Round Ball Smart Fingerprint Door Knob Lock with APP Control

Name: Round Ball Smart Fingerprint Door Knob Lock with APP Control
Brand: Fujian Chainfun Electronic Technology Co., Ltd.
SKU: 2266810465

Fujian, ChinaFujian Chainfun Electronic Technology Co., Ltd.

US$22.00

10-299 Pieces

US$20.00

300-499 Pieces

US$19.00

500+ Pieces

Sample price:US$22.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Manual Instruction

Warranty

1-Year

Model NO.

K66

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

3-in-1 Biometric Access: Combines fingerprint, app control, and traditional key for versatile security.

Local Privacy Storage: Fingerprints stored locally on device, never uploaded to the cloud.

Smart Home Integration: Compatible with Amazon Alexa and Google Home for voice control.

Durable Aluminum Alloy: Constructed from high-strength aluminum alloy for long-lasting use.

IP65 Waterproof Rating: Dustproof and waterproof design suitable for various weather conditions.

Three Operating Modes: Features passage, entrance, and privacy modes for enhanced flexibility.

Low Battery Warning: Visual and audio alerts notify users when battery power is low.

Easy Installation: Fits most US doors with 35-55mm thickness, installable with a screwdriver.

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: ≤6.84h 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:Can I get a customization according to my own requirements?

Sure. We can do: a.Simple OEM Customization: Customized Logos/Packaging/Colors/Finishings, etc. b. Deep ODM Customization Customized Appearance, Functions.Performance. Software Integration, Server Deployment, etc.

Q:How do you guarantee product quality?

Every lock undergoes 100% inspection before leaving the factory. In addition, we conduct various performance tests on the locks, including but not limited to: salt spray test, constant temperature test, durability test, vibration test, alcohol abrasion test, single-arm drop test, and infrared test.

Q:What's your MOQ and delivery?

Our MOQ is 1 set. We could send smart locks to your country port or to door directly, please tell us your port name or address. We'll offer the most competitive price and freight to you.

Q:What is your delivery time?

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

Q:How is your after sales service?

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