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 |
D&D Hardware is a professional manufacturer and supplier of architectural door hardware and complete door opening solutions. With over 18 years of manufacturing experience and ISO 9001 certification, we serve global customers from our production base in China, delivering reliable hardware solutions for metal doors, wooden doors, and fire-rated doors.
Our product portfolio covers a full range of commercial and architectural hardware, including door hinges, door locks, lever handles, door closers, exit devices, door stoppers, door bolts, and related accessories. In addition to standard product lines, we offer flexible customization options to support specific project requirements, while ensuring each product meets the functional, safety, and durability demands of modern building applications across diverse environments.
