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.
Engineered for durability, security, and consistent performance across residential and commercial applications.
Flexible options available for wholesale, project supply, and OEM/ODM requirements.
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 Model | DDDL001 |
| Material | Aluminium alloy |
| Display Screen | OLED display at 0.96 |
| Number of Users | ≤300 groups |
| Product size | outside lock:70mmx357mm, inside:70mmx360mm |
| Battery | 4.5V-6.5V 4 cells alkaline battery |
| Working temperature | -20℃-60℃ |
| Functional Configuration | Comes with doorbell, multiple anti-test opening, continuous input error alarm, automatic locking, Emergency key unlock USB emergency power supply. |
| MOQ | 10 PCS |
| Package | 1 PC / Polybag / Inner box in standard export carton |
| Sample Time | 3-5 working days |
| Production Lead Time | 20-25 days |
| Shipping Port | Jiangmen, China / Shenzhen, China |
| Available | OEM/ODM |
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 Model | DDDL007 |
| Material | Aluminium alloy |
| Display Screen | OLED display at 0.96 |
| Number of Users | ≤300 groups |
| Working temperature | -20℃-60℃ |
| Product size | outside lock: 70mmx357mm, inside: 70mmx360mm |
| Battery | 4.5V-6.5V 4 cells alkaline battery |
| Functional Configuration | Comes with doorbell, multiple anti-test opening, continuous input error alarm, automatic locking, Emergency key unlock USB emergency power supply. |
| MOQ | 10 PCS |
| Package | 1 PC / Polybag / Inner box in standard export carton |
| Sample Time | 3-5 working days |
| Production Lead Time | 20-25 days |
| Shipping Port | Jiangmen, China / Shenzhen, China |
| Available | OEM/ODM |
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 Model | DDEL002 |
| Material | Aluminium alloy |
| Fingerprint Module | Semiconductor |
| Door Viewer Configuration | 1 million pixel night vision HD camera + 5.0-inch display + USmart GO active intercom |
| Working temperature | -20℃-60℃ |
| Amount of Users | ≤300 groups |
| Battery | 4200mAh lithium battery |
| Functional Configuration | with 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. |
| MOQ | 10 PCS |
| Package | 1 PC / Polybag / Inner box in standard export carton |
| Sample Time | 3-5 working days |
| Production Lead Time | 20-25 days |
| Shipping Port | Jiangmen, China / Shenzhen, China |
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 Model | DDEL020 |
| Material | Aluminium alloy |
| Fingerprint Module | Semiconductor |
| Door viewer Module | 1 milion independent three cameras + 4.5-inch IPS screen |
| Battery | 4200mAh lithium battery |
| Opening Method | Face, fingerprint≤100 groups, password capacity≤100 groups, card≤100 groups |
| Suitable for | Wooden door, Metal door, steel door etc. |
| Functional configuration | Equipped 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. |
| MOQ | 10 PCS |
| Package | 1 PC / Polybag / Inner box in standard export carton |
| Sample Time | 3-5 working days |
| Production Lead Time | 20-25 days |
| Shipping Port | Jiangmen, China / Shenzhen, China |
| Available | OEM/ODM |
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.
See real product details, structure, and usage scenarios through our visual demonstrations.
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.
We accept T/T, D/P, Western Union, and L/C as payment methods.
We are a manufacturer with over 18 years of experience and are an SGS-audited factory specializing in architectural hardware.
Yes. Up to three samples can be provided free of charge. Customers are required to arrange a courier account for freight collection.
We mainly use SUS304 and SUS316 stainless steel, with SUS201 available for selected product applications.
All our products are backed by a 10-year mechanical warranty.
Yes. We operate a complete quality control system, with strict inspection and monitoring at every stage of mass production following standardized procedures.
Yes. We provide both OEM and ODM solutions and have extensive experience collaborating with well-known global brands.
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.