Description
Armstrong Invisible Bluetooth Smart Door Lock (SDDS-SSS001B-TTL-2)
Completely Concealed Smart Lock Design
The Armstrong SDDS-SSS001B-TTL-2 is installed entirely inside the door, eliminating visible keyholes and preserving the door’s minimalist appearance. Its hidden design enhances security while blending seamlessly with modern interiors.
Bluetooth & RFID Smart Access
Integrated with the TTLock platform, the lock supports multiple access methods including Bluetooth smartphone unlocking, RFID cards, virtual e-keys, and authorized access management. Users can conveniently control permissions, review access records, and manage entry directly from the mobile app.
Universal Reversible Latch
The innovative reversible latch and detachable handle design allow quick installation for both left- and right-handed doors, eliminating the need to select different lock orientations during installation.
Reliable & Secure Performance
Powered by 3 AAA alkaline batteries, the lock features a low-battery audible warning to notify users when battery replacement is required. Its robust internal locking mechanism provides dependable protection for residential and commercial applications.
Wide Range of Applications
Ideal for homes, apartments, offices, hotels, premium furniture, storage rooms, medical facilities, laboratories, and commercial spaces, the SDDS-SSS001B-TTL-2 combines invisible installation with advanced smart access control for modern security solutions.
Technical Specifications
- Brand: Armstrong
- Model: SDDS-SSS001B-TTL-2
- Product Type: Invisible Bluetooth Smart Door Lock
- Access Methods: Bluetooth App, RFID Card, Virtual E-Key
- Platform: TTLock Mobile App
- Power Supply: 3 × AAA Alkaline Batteries
- Door Thickness Compatibility: 40–55 mm (Non-Metallic Doors)
- Latch Type: Reversible Mortise Latch
- Low Battery Alert: Audible Warning Indicator
- Application: Homes, Offices, Hotels, Apartments & Commercial Buildings











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