Smart Deadbolt Unlocked by Password Automatic Digital Smart Door Lock Compatible with Tuya APP

• Customization: Available
• After-sales Service: Manual Instruction
• Warranty: 1 Year
• Model NO.: 5031
• Material: Zinc Alloy
• Type: Electronic
• Style: Modern
• Shape: Rectangle
• Anti-theft Standard: C
• Part: Key
• Door Thickness Fits: 60-70mm
• Lock Cylinder Length: 60/70mm
• Usage: Wooden Door
• Transport Package: Carton
• Specification: 154*64mm
• Trademark: None
• Origin: Fuzhou, China
• Production Capacity: 1000000 Pieces/Year
• Package Size: 21.00cm * 16.00cm * 9.00cm
• Package Gross Weight: 1.500kg

Product Description

Product Description

Product Overview

This smart deadbolt lock is designed for modern entrance doors in residential and commercial buildings.
It combines deadbolt security with smart access technology, offering multiple unlocking options such as fingerprint, password, RFID card, mobile app, and mechanical key.
The lock supports Tuya App and TTlock App, allowing users to manage the door remotely through a smartphone.
Because of its reliable deadbolt structure and convenient digital access, this lock is widely used for apartments, villas, rental properties, offices, and smart home projects.

Normally Open Mode – Free Access
The lock supports Normally Open Mode (Passage Mode).

This feature allows the door to remain unlocked for frequent access scenarios.

It is ideal for places where people enter and exit frequently, such as:

offices
shops
meeting rooms
shared apartments
This mode eliminates the need to unlock the door repeatedly, improving convenience and efficiency.

 
Elegant Modern Appearance
The lock features a minimalist vertical panel design that fits well with modern interior and exterior doors.

Available colors include:

Black
Silver
The clean and modern appearance makes it suitable for various architectural styles, especially for modern apartments and smart homes.

 
Multiple Unlocking Methods
This smart deadbolt lock provides several secure and convenient unlocking methods:

Fingerprint unlocking
Password access
RFID card unlocking
Mobile app control
Mechanical key backup
Users can choose the most suitable method depending on their daily needs.

 
Mobile App Remote Management
The lock can be connected to a mobile application, allowing users to manage access remotely.

With the mobile app, users can:

unlock the door remotely
create temporary passwords
manage users
check access records
This feature is particularly useful for property owners, landlords, and Airbnb hosts.

 
Remote Password Generation
The system supports remote password generation, allowing users to send temporary passwords to guests or service providers.

This is especially useful for:

short-term rentals
property management
visitor access control
Temporary passwords can be set with time limits to ensure security.

 
Secure Fingerprint Recognition
The lock includes a high-speed fingerprint sensor that enables quick and accurate recognition.

Fingerprint unlocking provides:

fast access
high security
convenient daily operation
Users can unlock the door instantly with a single touch.

Emergency Mechanical Key

For emergency situations such as battery depletion, the lock includes a mechanical key override.
This ensures that the door can always be opened even without power.

Password Unlocking

The digital keypad supports secure password input.
Users can set multiple passwords for family members, tenants, or employees, making access management flexible and convenient.

Application Scenarios

Reliable Deadbolt Security

This smart deadbolt lock is widely used in:
residential houses
apartments
villas
rental properties
serviced apartments
offices
With the growing adoption of smart home technology, digital door locks are becoming increasingly popular in many global markets.

The lock uses a deadbolt locking mechanism, which is widely recognized as one of the most secure locking structures for entrance doors.
Deadbolt locks are commonly used for:
residential entrance doors
apartment security doors
villa doors
office entrance doors
This design provides strong physical protection and reliable door security.

RFID Card Access

Installation Requirements

Product Advantages

RFID card unlocking offers another simple and efficient way to open the door.
This function is especially suitable for:
apartment management
office access control
hotel style management system

The lock is designed for easy installation on standard doors.
Suitable for:
Wooden doors
Metal doors
Door thickness compatibility and installation dimensions are shown in the product diagrams.
This makes the lock suitable for both new construction projects and door upgrade installations.

Compared with traditional mechanical locks, this smart deadbolt lock offers several advantages:
multiple unlocking methods
smart mobile management
modern appearance
convenient access control
reliable deadbolt security
These features make it an excellent solution for modern smart home security systems.

Company Profile

Fujian ChainFun Electronic Co., Ltd. is a high-tech smart lock enterprise integrating R&D, production, and sales, affiliated with Fujian MoreFun Electronic Co., Ltd.—an industry leader in financial payment terminal.
We have established core departments including R&D, Engineering Technology, Quality Management, Production Operations, Sales, and Customer Service. With R&D and production centers in Fuzhou and Guangzhou, plus a standardized production base in Wenzhou. We specialize in the R&D, manufacturing, and sales of smart locks, product line includes Tuya/TTlock Smart Door Lock, Hotel Lock System, Smart Padlock, Digital Lock with Keypad and so on.
Adhering to the business philosophy of "Integrity, Dedication, Efficiency, Innovation, Excellence, and Win-Win," we have built well-known brands such as "ChainFun," "Especial," and "KnowWho." We hold numerous patents either through independent applications or authorization from our parent company. All products strictly comply with national standards and have obtained relevant certifications, including ISO 9001 and ISO 14001 management system certifications. 

 
Development Philosophy
Focus on the customer, keep on enterprising spirit.

 
Our Values 
Integrity & Dedication, Efficiency & Innovation, Excellence & Win-Win

 
Guiding Principles And Mission

To employees 
Striver-oriented: create a development platform where every employee can fully utilize their talents and share in the company's achievements.

 
To customers
Customer-centric: provide customers with high-quality, affordable terminal products and services.
 
To the company
Sustain entrepreneurial spirit forever:strive to build ChainFun into a world-class company.

1. Company Overview
Smart Door Lock Manufacturer with Global Experience
Our company specializes in the development and manufacturing of smart door locks, digital door locks, and fingerprint door lock solutions for global markets.
With years of experience in electronic hardware and smart security products, we focus on delivering reliable biometric door locks and smart home access solutions for residential, apartment, and commercial applications.
As a professional smart door lock manufacturer, we support both OEM and ODM projects, helping distributors and partners build their own smart lock brands.

Our products are exported to many international markets including India, Southeast Asia, the Middle East, and Africa.

2. Factory Production & Manufacturing
Our manufacturing facility is equipped with organized production lines dedicated to smart door lock assembly and electronic hardware manufacturing.
Each digital door lock and fingerprint smart lock goes through multiple stages before shipment, including:
Component Assembly,
Functional Testing,
Quality Inspection,
Final Packaging,
With stable production capacity and experienced technicians, we are able to support bulk orders and long-term supply for distributors and project partners.

3. Quality Testing & Reliability
Product quality and stability are essential for digital door lock and biometric door lock products.
Before shipment, every smart door lock undergoes strict testing procedures, including:
Fingerprint Recognition Testing,
Keypad Unlocking Verification,
Electronic Stability Testing,
Mechanical Durability Testing,
These procedures ensure reliable performance for homes, apartments, offices, and hotel door lock applications.

4. Global Partnerships & Ecosystem
Our parent company has established long-term cooperation with many international payment platforms, financial technology companies, and service providers.

Over the years, our hardware solutions have supported global partners such as Paytm, Airtel, PalmPay, Airwallex, GCash, and other fintech service providers.

These partnerships demonstrate our experience in developing reliable electronic hardware solutions for global markets.

Through these partnerships and international cooperation, we have gained strong experience in working with emerging markets including India.

5. Global Certifications & Compliance
Our parent company's products follow strict international standards and certification systems.

In the payment hardware field, our solutions have been developed in accordance with certification systems such as:

Visa
Mastercard
American Express
PCI Security Standards
EMV certification
ISO quality management systems
Some of our electronic hardware products such as POS terminals have already obtained BIS certification for the Indian market, demonstrating our experience with Indian regulatory compliance requirements.

This experience also strengthens our capability in developing reliable smart door lock and digital door lock solutions for international markets.

6. International Exhibition

Our team regularly participates in international exhibitions, where we connect with customers from different markets and showcase our latest smart lock technologies.

7. Smart Lock Product Showroom

Inside our showroom, a wide range of smart door locks are displayed, including fingerprint locks, password locks, face recognition locks, and smart home integrated solutions. This allows customers to clearly understand our product quality and design capabilities. 

Our showroom displays a wide range of smart door lock models designed for different security needs.
These include:
Fingerprint door locks
Biometric smart locks
Digital keypad door locks
Tuya TTlock smart locks with mobile app control
This allows customers to better understand our product design, build quality, and functionality.

8. Certifications
As a professional smart lock manufacturer and OEM supplier, we focus on stable production, strict quality control, and continuous product innovation.
To ensure product reliability and compliance with international standards, our smart locks have obtained multiple certifications, including: CE-EMC,CE-LVD,FCC, RoHS, ISO, EMC, LVD.
These certifications guarantee that our products meet the requirements of major global markets such as Europe, North America, and Southeast Asia.

About India Market

9. India Market Presence
Through our parent company's international operations, we have established a strong foundation for working with partners in the India market.
Key advantages include:
India office support through our parent company
Team members from India working in our company
Experience with BIS certification requirements
Understanding of Indian customer preferences and business culture
These factors allow us to provide better support for partners who want to develop the digital door lock and fingerprint smart lock business in India.

10. India Team & Company Culture
At our annual company meeting, one of our colleagues from India shared a video speech expressing his appreciation for the long-term cooperation with our company.
In his speech, he mentioned that over the years he has witnessed the company's continuous development and commitment to product quality and innovation.
Having team members from India allows us to better understand the local market and strengthens our ability to work with partners in the Indian smart security industry.

11. Business Cooperation Invitation
We welcome distributors, wholesalers, and project partners in India who are interested in developing the digital door lock and smart home security market.
As a professional smart door lock manufacturer and OEM supplier, we are committed to providing reliable products, stable supply, and long-term cooperation for our partners.
If you are looking for a trusted fingerprint door lock supplier or biometric door lock manufacturer, we would be happy to support your business.

FAQ

Q:Are you manufactured?

Yes, we are professional smart lock manufacturer more than 11 years in China. 

What we offer: 

• 15,000 square meters factory with 4 assembly lines (5,000+ sets/day) 

• ISO9001/CE/FCC certified 

• 200+ team members, including 32 R&D engineers 

• 50+ smart lock models and 50+ patents

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

A: 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?

A: 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?  

A: 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? 

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

 

Q: How is your after sales service?  

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