LEONDARX / Narrow Frame Smart Lock
LJ03-C Automatic Narrow Frame Smart Lock
A sleek narrow frame smart lock designed for modern doors, offering multiple access options and reliable performance for everyday convenience.
Access control. For the door profile.
Explore the application, daily use and installation requirements for this model.
A slim profile, properly installed.
Plan the lock on the door’s aluminium stile, with the handle and strike positioned for the opening direction.
- Advanced Access Technology：Supports face recognition palm vein fingerprint IC card and password unlocking
- Slim Ergonomic Design：Designed for narrow frame doors with a modern and comfortable grip structure
Define everyday access.
Select from this model’s documented access functions, then confirm credential management and the required version.
- Durable Build：Aluminum alloy body combined with stainless steel lock mechanism for long term reliability
- Weather Resistance：IP66 protection helps resist dust and water in different environments
Match the lock to the door.
Check profile width, door thickness, lock body, strike and handle clearance. Confirm the exterior and interior assemblies together.
0Review model documents ↗The details behind the selection.
Specifications apply to this model. Confirm the hardware revision, optional functions and installation requirements before ordering.
The original manufacturer provides this model’s specifications as illustrated detail sheets. Open the original material below or request a matching technical sheet.
Open model material ↗COMPLIANCE DOCUMENTATION
Check the evidence for your market.
Request documents that identify the exact model and test scope. Published manufacturer material is a reference; confirm applicability to your destination market and ordered configuration.
Request compliance documents ↗LJ03-C Automatic Narrow Frame Smart Lock
Confirm applicable reports and declaration documents with the project team.Before you specify.
Installation and ordering questions for this model.
What should I confirm before ordering this model?+
Confirm the hardware revision and installation configuration for LJ03-C Automatic Narrow Frame Smart Lock. Use the original model material below and request the matching technical sheet.
Will this lock fit my existing door?+
Check the door construction, thickness, opening direction, lock body and fixing pattern against the selected model. A site assessment and the matching drawing are needed before reusing existing door preparation.
Which documents are available for project review?+
Original manufacturer images and model detail sheets are retained below. Request current installation instructions, version-specific specifications and any applicable compliance documents for your market and ordered configuration.
Original model material.
Manufacturer views, drawings and original detail sheets remain available for a technical review.
View manufacturer images & drawings+
Original manufacturer description+
Original source material for reference. General service terms and version-dependent claims require confirmation for your order.
- Advanced Access Technology：Supports face recognition palm vein fingerprint IC card and password unlocking
- Slim Ergonomic Design：Designed for narrow frame doors with a modern and comfortable grip structure
- Durable Build：Aluminum alloy body combined with stainless steel lock mechanism for long term reliability
- Weather Resistance：IP66 protection helps resist dust and water in different environments
- Wide Temperature Range：Stable operation from minus 25 to 70 degrees Celsius
- Emergency Power Supply：Supports external power bank for temporary power access
- Multi Language Support：Equipped with multiple language options for global users
The LJ03-C smart lock is designed for narrow frame doors with a stylish and ergonomic structure. Built with aluminum alloy and stainless steel, it ensures durability and stable performance. It supports multiple unlocking methods such as face recognition, palm vein, fingerprint, IC card, password, and mechanical key, along with optional mobile connectivity. With IP66 protection and wide temperature adaptability, it is suitable for residential and commercial environments requiring flexible access control.
Start with the installation.
Share the door or room layout, target market, quantities and integration requirements. We can help define the model configuration.