What is the warranty period?

We provide a 12-month warranty and offer free spare parts for after-sales service.

Can this lock be customized?

Yes, we offer full customization, minor customization, flexible customization, and can customize from designs or samples.

What certifications does the product have?

The product is BHMA authenticated and holds RoHS and CE certifications.

Best Smart Lock for Home Door Factory Convenience

Name: Best Smart Lock for Home Door Factory Convenience
Brand: Fujian Chainfun Electronic Technology Co., Ltd.
SKU: 2136870005

Fujian, ChinaFujian Chainfun Electronic Technology Co., Ltd.

US$60.00

20-99 Pieces

US$56.30

100-499 Pieces

US$55.00

500-999 Pieces

US$48.00

1,000+ Pieces

Product profile

Customization

Available

After-sales Service

Free Spart Parts

Warranty

12 Months

Model NO.

2071

Customized

Certification

RoHS, CE

Application

Public Passage, Enterprise, Supermarket, Campus, Hospital, Warehouse, Hotel, Company, Garage, Community

Working Principle

Electronically Controlled Lock

Function

Deadbolt

Type

Electric Bolt

Mortise

Single Latch

Transport Package

Standard Export Packing

Specification

30X14X20 cm

Trademark

ChainFun

Origin

Fujian, China

HS Code

8301400000

Production Capacity

200000

Key features

Multi-Unlock Methods: Supports APP, Fingerprint, Keypad, IC Card, Keys, and Voice Control via Alexa.

High Fingerprint Capacity: Stores up to 99 fingerprints and 99 passcodes for flexible user management.

Easy DIY Installation: Fits doors 35mm-55mm thick; installs in minutes with just a screwdriver.

Long Battery Life: Operates for 1 year on 4 AAA batteries with a low battery indicator.

BHMA Authentication: Certified smart lock ensuring high security and reliability standards.

Customizable Options: Offers full, minor, and flexible customization including design and sample-based options.

RoHS and CE Certified: Meets international safety and environmental standards for global use.

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: ≤6.17h 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:What unlock methods are supported?

The lock supports Mobile APP, Fingerprint, Keypad Passcode, IC Card, Mechanical backup keys, and Voice Control with Amazon Alexa (requires extra Wifi Gateway).

Q:How many fingerprints and codes can be stored?

It can store up to 99 fingerprints and 99 passcodes, allowing for extensive user management.

Q:Is the installation difficult?

No, it is designed for easy DIY installation. You can install it in minutes using only a screwdriver, following the guide video.

Q:What is the battery life and type?

The battery life is approximately 1 year. It uses 4 AAA Alkaline batteries (not included) with a low battery indicator at 4.8V.

Q:What door thickness is compatible?

The lock is compatible with door thicknesses ranging from 1.38 inches to 2.16 inches (35mm-55mm).