Keyless Security with Fingerprint Precision
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Transform your home security with SecuSphere, featuring biometric fingerprint recognition, Tuya app integration, and three customizable locking modes. This innovative door knob is designed to maximize convenience, enhance privacy, and deliver reliable protection, ensuring homeowners, apartment dwellers, and Airbnb hosts can enjoy both safety and peace of mind. Perfect for bedrooms, apartments, and rental properties, SecuSphere elevates everyday security with auto-lock, rechargeable battery, and three privacy modes tailored to your needs.

Key Benefits
Enhanced Security & Privacy:SecuSphere uses advanced biometric fingerprint recognition to ensure that only pre-registered users can unlock your door, eliminating the risks associated with stolen or duplicated keys. With the ability to store up to 20 unique fingerprints, it’s perfect for families, roommates, or small office spaces where multiple people need access. Unlike traditional smart locks, all fingerprint data is stored locally on the device rather than in the cloud, preventing hacking or unauthorized access to sensitive information. Plus, the auto-lock feature engages within 5 seconds of closing the door, ensuring your space is never left vulnerable by accident.
Multi-Mode Convenience:With three customizable modes—Passage, Entrance, and Privacy—SecuSphere adapts to any living situation. In Passage Mode, the knob functions like a standard door handle, allowing free access during social gatherings, office hours, or when frequent entry and exit are expected. Entrance Mode locks the door and requires fingerprint, app, or key access, perfect for front doors or shared apartments. For complete control, Privacy Mode blocks all external unlocking methods, ensuring total peace and uninterrupted privacy in bedrooms, studies, or bathrooms. Switching between modes is as simple as rotating your thumbprint around the knob.
Smart App Integration: The Tuya mobile app extends your control beyond the door itself, letting you manage fingerprints, view real-time unlocking records, and create temporary digital keys for guests. This is especially useful for Airbnb hosts or property managers who need to provide time-limited access without exchanging physical keys. Within Bluetooth range, you can lock/unlock or adjust privacy settings instantly, and for full remote access, a Wi-Fi gateway (sold separately) can be added. You’ll also receive access history logs so you always know who entered and when—providing both convenience and peace of mind.
Easy Setup & Long-Lasting Power: SecuSphere is designed for DIY installation, requiring nothing more than a screwdriver and fitting seamlessly into most standard US doors without the need for drilling or professional assistance. Its 400mAh rechargeable battery charges fully in just 3–4 hours using a USB Type-C cable and provides weeks of reliable operation on a single charge. A visual power display and low-battery alarm keep you updated, so you’ll never be caught off guard by a drained lock. Built with durable aluminum construction in silver or black finishes, it combines sleek modern design with everyday resilience for long-term use.