The Armstrong SDDS-001B-TTL-2 is a hidden Bluetooth smart lock engineered for thicker doors, fully integrated with the TTLock platform. Its standout feature is the reversible latch and detachable handle design, which allows for universal left or right-handed installation. Optimized for non-metallic doors between 40-55mm, it offers the ultimate combination of invisible security and installation flexibility.
The SDDS-001B-TTL-2 redefines invisible protection for premium furniture and room doors. By being installed entirely inside the door, it preserves the clean lines of your interior design. This model specifically addresses installation pain points with its adjustable latch direction, ensuring compatibility with any door swing. Managed via the TTLock App, it provides seamless smartphone access and comprehensive digital management.
Here is some benefits of an invisible door lock:
Overall, invisible door locks combine security, aesthetics, and convenience, providing a highly valuable security solution for your doors.
| Item | Details |
| Model Number | SDDS-001B-TTL-2 |
| Management Platform | TTLock App |
| Access Modes | Bluetooth, RFID Card (13.56MHz Mifare), Virtual Key, Special tool |
| Battery Requirement | 3 x AAA Alkaline Batteries |
| Low Voltage Alert | Audible Warning Sound |
| Board Thickness | 40mm - 55mm (Non-metallic) |
| Package Includes | 1 ABS Strike, 1 Screw Pack, 1 Fixed Metal Plate, 2 RFID Cards, 2 Handles |
Concealed Aesthetic Design: The lock body remains hidden inside the cabinet or door, with no visible keyholes, maintaining the integrity of the furniture style.
Universal Reversible Latch: The latch can be swapped left or right based on the door's requirement, and the handle is installed accordingly, eliminating worries about choosing the wrong orientation.
TTLock Professional Management: Enables Bluetooth unlocking, remote E-key authorization, and detailed access log queries via the smartphone app.
Robust Locking Mechanism: Built from high-quality materials to provide a sturdy and reliable lock, effectively preventing unauthorized entry.
Deep Penetration Sensing: Engineered to work through non-metallic panels with a thickness of 40-55mm.
Low-Voltage Sound Alert: Powered by 3 AAA Alkaline batteries with an audible warning sound to notify users when battery replacement is required.
Residential Use: Storing valuables (jewelry, watches), safeguarding confidential documents, and child-proofing medications or hazardous items.
Commercial Use: Office filing cabinets, high-end retail display cases, and hotel room safes or minibars.
Professional Facilities: Secure medical cabinets in healthcare clinics and chemical storage in laboratories or educational institutions.