Multiple Unlock Methods: Supports Fingerprint, Passcode, IC Card, Mechanical Key, and Tuya App remote unlocking. Narrow Profile Design: Specially crafted for slim-frame doors, aluminum doors, and sliding glass doors. Smart App Integration: Powered by the Tuya Smart / Smart Life ecosystem for remote management, temporary codes, and access logs. Weather Resistant: Features a waterproof design (as indicated by the water droplets in the image), making it suitable for both indoor and outdoor use. High-Security Mortise: Includes a multi-point stainless steel latch for enhanced physical security. Emergency Power: Equipped with a hidden mechanical keyhole and a micro-USB port for emergency power backup if batteries die. Biometric Precision: Uses a 360° semiconductor fingerprint sensor for rapid recognition (under 0.5 seconds).