D&D Hardware

Smart Lock

Smart Lock Series

Smart Lock Series

Smart Lock is a digital locking solution that enables keyless entry through advanced technologies including fingerprint scanning, Bluetooth connectivity, and cloud-based access management. It enhances security by offering real-time control, user tracking, and flexible authorization settings. These locks can be integrated into broader smart building systems, improving operational efficiency in multi-unit properties. Their adaptability and range of configurations make them suitable for distributors and contractors handling diverse project requirements.

Technical Features And Advantages

Engineered for durability, security, and consistent performance across residential and commercial applications.

> Multi-Mode Access Authentication
Smart locks support multiple unlocking methods including fingerprint, PIN code, RFID card, and mobile app control. This flexibility allows different user groups to access the same door system efficiently, meeting the needs of various commercial and residential environments.
> Remote Access and Real-Time Control
Through mobile applications or cloud platforms, users can manage access permissions remotely, unlock doors, and monitor usage activity. This feature enhances operational efficiency for property managers handling multiple locations or units.
> High Security Encryption Standards
Smart locks utilize encrypted communication protocols such as AES or similar security algorithms to protect user data and prevent unauthorized access. This ensures reliable performance in environments where data security is critical.
> Integration with Smart Building Systems
These locks can be integrated with IoT platforms, access control systems, and building management systems. This enables centralized control and improves overall building automation, especially in commercial or hospitality projects.

Main Products

Flexible options available for wholesale, project supply, and OEM/ODM requirements.

Digital Smart Door Lock
Digital Smart Door Lock

The Digital Smart Door Lock DDDL001 delivers a reliable and flexible access solution for modern residential and commercial spaces. With multiple unlocking methods including fingerprint verification, password input, IC card access, mechanical key, and optional remote or APP control, it supports diverse user habits and security requirements. The lock accommodates up to 300 user groups, making it suitable for high-traffic environments such as apartments, offices, and rental properties. Its aluminium alloy structure provides durability and a clean, contemporary appearance, while the 0.96-inch OLED display offers clear and intuitive operation feedback. Additional features such as automatic locking, anti-test protection, error input alarm, integrated doorbell, and USB emergency power supply ensure both convenience and enhanced security in daily use.

Product ModelDDDL001
MaterialAluminium alloy
Display ScreenOLED display at 0.96
Number of Users≤300 groups
Product sizeoutside lock:70mmx357mm, inside:70mmx360mm
Battery4.5V-6.5V 4 cells alkaline battery
Working temperature-20℃-60℃
Functional ConfigurationComes with doorbell, multiple anti-test opening, continuous input error alarm, automatic locking, Emergency key unlock USB emergency power supply.
MOQ10 PCS
Package1 PC / Polybag / Inner box in standard export carton
Sample Time3-5 working days
Production Lead Time20-25 days
Shipping PortJiangmen, China / Shenzhen, China
AvailableOEM/ODM
Digital Smart Door Lock
Digital Smart Door Lock

The Digital Smart Door Lock offers a practical combination of security, capacity, and modern interface control for residential and commercial access management. Built on a durable aluminium alloy structure, this model supports up to 300 user groups, making it suitable for high-traffic environments such as apartments, offices, and rental properties. The integrated 0.96-inch OLED display provides clear, real-time status feedback, allowing users to interact with the system efficiently. It includes multiple security layers such as anti-test opening protection, continuous input error alerts, and automatic locking to reduce unauthorized access risks. Additional features like a built-in doorbell, emergency key access, and USB emergency power supply ensure usability even in unexpected situations.

Product ModelDDDL007
MaterialAluminium alloy
Display ScreenOLED display at 0.96
Number of Users≤300 groups
Working temperature-20℃-60℃
Product sizeoutside lock: 70mmx357mm, inside: 70mmx360mm
Battery4.5V-6.5V 4 cells alkaline battery
Functional ConfigurationComes with doorbell, multiple anti-test opening, continuous input error alarm, automatic locking, Emergency key unlock USB emergency power supply.
MOQ10 PCS
Package1 PC / Polybag / Inner box in standard export carton
Sample Time3-5 working days
Production Lead Time20-25 days
Shipping PortJiangmen, China / Shenzhen, China
AvailableOEM/ODM
Fingerprint Entry Door Lock
Fingerprint Entry Door Lock

The Fingerprint Entry Door Lock (Model DDEL002) brings advanced access control and real-time visual security into one integrated solution. Built on a durable aluminium alloy structure, it supports up to 300 user groups with a high-precision semiconductor fingerprint module for fast and reliable unlocking. The system combines dual cameras with a 1 million pixel night vision HD setup and a 5.0-inch indoor display, allowing clear monitoring and active video intercom through USmart GO. With a wide operating range from -20℃ to 60℃ and a 4200mAh lithium battery, it maintains stable performance across different environments. Features such as anti-pry alarm, dual doorbells, automatic locking, and one-button quick opening create a complete security layer suitable for residential and project-based installations.

Product ModelDDEL002
MaterialAluminium alloy
Fingerprint ModuleSemiconductor
Door Viewer Configuration1 million pixel night vision HD camera + 5.0-inch display + USmart GO active intercom
Working temperature-20℃-60℃
Amount of Users≤300 groups
Battery4200mAh lithium battery
Functional Configurationwith front and rear doorbells, anti-pry alarm, one-button quick opening and automatic locking functions, front and rear dual cameras, active video intercom, and surveillance.
MOQ10 PCS
Package1 PC  / Polybag / Inner box  in standard export carton
Sample Time3-5 working days
Production Lead Time20-25 days
Shipping PortJiangmen, China / Shenzhen, China
Face Recognition Door Lock
Face Recognition Door Lock

The Face Recognition Door Lock DDEL020 brings together multi-layer access control and real-time visual monitoring in one integrated system. With a high-precision face recognition module, semiconductor fingerprint sensing, and a triple-camera setup, this solution adds both convenience and control to modern residential and commercial entry points. It supports multiple unlocking methods including face recognition, fingerprint, password, and card access, making it suitable for different user habits and high-frequency usage scenarios. Backed by a 4200mAh lithium battery and built with aluminium alloy structure, it maintains stable performance while handling daily security demands across wooden, metal, and steel doors. This makes it a practical solution for property managers, project buyers, and distributors seeking smart access systems with both hardware reliability and intelligent monitoring capability.

Product ModelDDEL020
MaterialAluminium alloy
Fingerprint ModuleSemiconductor
Door viewer Module1 milion independent three cameras + 4.5-inch IPS screen
Battery4200mAh lithium battery
Opening MethodFace, fingerprint≤100 groups, password capacity≤100 groups, card≤100 groups
Suitable forWooden door, Metal door, steel door  etc.
Functional configurationEquipped with rear doorbell, anti-pry alarm, one-button quick openingand automatic locking functions. Three front and rear cameras, real-time monitoring support indoorand outdoor viewing, and lingering capture.
MOQ10 PCS
Package1 PC  / Polybag / Inner box  in standard export carton
Sample Time3-5 working days
Production Lead Time20-25 days
Shipping PortJiangmen, China / Shenzhen, China
AvailableOEM/ODM

Applications

Smart locks are widely used in residential properties, apartment complexes, hotels, and office buildings where keyless entry and access management are essential. They simplify user access while enhancing security through digital control. For OEM and bulk supply, smart locks can be customized in function, interface, and finish to meet specific project and market demands.

Residential Building
Office Building
Hotel
Healthcare
Education
Commercial Building

Video

See real product details, structure, and usage scenarios through our visual demonstrations.

How to install a smart lock?
How does a fingerprint or face recognition lock work?

Why choose us?

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Full International Certification
Products are fully compliant with UL, CE, ANSI, and BHMA standards, meeting regulatory requirements across major global markets.
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ISO 9001 Certified Manufacturing
ISO 9001–certified production with strict quality control ensures consistent performance, reliability, and long-term durability.
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Complete Door Hardware System
A comprehensive range of door hardware products, fully matched and compatible, enabling one-stop procurement for all door applications.
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Professional Engineering & Technical Support
Comprehensive technical support including CAD/BIM drawings, hardware schedules, and application guidance to support project design and execution.
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End-to-End OEM / ODM Capability
From product design and engineering to branding, packaging, and logo customization, providing complete OEM/ODM solutions tailored to market needs.
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Advanced Manufacturing Equipment
Modern production lines and advanced machinery enhance productivity while ensuring precision, consistency, and product quality.
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Proven Global Project Experience
Extensive experience supplying door hardware for hotels, hospitals, commercial buildings, and public projects worldwide.
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Reliable On-Time Delivery
Stable production capacity and supply chain management ensure on-time delivery for global partners and long-term projects.
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Long-Term Mechanical Guarantee
All products are backed by a 10-year mechanical guarantee, reinforcing confidence in quality and performance.

FAQs

How can I obtain your latest pricing?

Please contact us by email or phone with your detailed requirements. Our team will reply within 24 hours. In addition to door hardware, D&D also delivers complete door opening solutions.

What payment terms do you accept?

We accept T/T, D/P, Western Union, and L/C as payment methods.

Are you a manufacturer or a trading company?

We are a manufacturer with over 18 years of experience and are an SGS-audited factory specializing in architectural hardware.

Can I request samples before placing an order?

Yes. Up to three samples can be provided free of charge. Customers are required to arrange a courier account for freight collection.

What stainless steel grades are available?

We mainly use SUS304 and SUS316 stainless steel, with SUS201 available for selected product applications.

What warranty do you provide?

All our products are backed by a 10-year mechanical warranty.

Do you have a quality management system in place?

Yes. We operate a complete quality control system, with strict inspection and monitoring at every stage of mass production following standardized procedures.

Do you offer OEM and ODM services?

Yes. We provide both OEM and ODM solutions and have extensive experience collaborating with well-known global brands.

What certifications do your products have?

Our products carry CE and UL certifications, and all designs are developed in accordance with international standards such as EN/CE, UL, ANSI, and BHMA.

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