What is the battery life and type?

It uses 4 AA alkaline batteries and supports over 10,000 locking/unlocking operations.

Is customization available?

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

What certifications does the product have?

Our products are certified with CE, FCC, and ROHS, manufactured under ISO9001:2015.

Smart Lock Passcode and Key Smart Lock for Front Door

Name: Smart Lock Passcode and Key Smart Lock for Front Door
Brand: Fujian Chainfun Electronic Technology Co., Ltd.
SKU: 2000861705

Fujian, ChinaFujian Chainfun Electronic Technology Co., Ltd.

US$36.00

20-99 Pieces

US$30.00

100-1,999 Pieces

US$29.00

2,000+ Pieces

Sample price:US$70.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Free Spart Parts

Warranty

12 Months

Model NO.

Material

Zinc Alloy

Type

Electronic

Style

European

Shape

Mortise Door Lock

Anti-theft Standard

Part

Lock

Backset

60mm

Door Thickness Fits

35-50mm

Usage

Household Door Locks

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 password, mechanical key, and digital keypad unlocking for flexible access.

Premium Zinc Alloy Build: Constructed from durable Zinc Alloy and ABS plastic for enhanced security and longevity.

Wide Compatibility: Fits door thickness of 35-50mm with adjustable 60/70mm backset for easy installation.

Long Battery Life: Powered by 4 AA batteries with low power consumption and undervoltage warning.

12-Month Warranty: Comprehensive 12-month warranty with free spare parts included for peace of mind.

High Durability: Tested to support over 10,000 locking and unlocking operations reliably.

User Capacity: Stores up to 10 user codes, ideal for homes, apartments, and Airbnb properties.

Certified Quality: Manufactured under ISO9001:2015 with CE, FCC, and ROHS certifications.

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: ≤4.68h 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.