• 【Multiple Unlocking Methods】Supports fingerprint recognition, password entry, mechanical key, and mobile app unlocking for maximum convenience and security.
• 【Adjustable Double-Sided Design】Innovative adjustable cam length accommodates door thickness from 75-100mm without drilling, perfect for various door types and lock body structures.
• 【Smart App Integration】Compatible with Tuya  Mesh Version app for remote monitoring, temporary password generation, user management, and operation log checking with Amazon Alexa and Google Home support.
• 【Advanced Security Features】Password scrambling function supports fake passwords before and after real code to prevent peeping, with automatic locking and access record query capabilities.
• 【Emergency Power Solution】USB emergency charging interface provides backup power when batteries are depleted, ensuring you're never locked out with low battery alarm system.
• 【High-Capacity Storage】Stores up to 100 fingerprints and 100 passwords with semiconductor embedded fingerprint technology for reliable and fast recognition.

Specifications:

• Unlock Methods: Fingerprint, Password, IC Card, Mechanical Key, App
• Fingerprint Capacity: 100 fingerprints
• Password Capacity: 100 passwords
• Password Length: 16 digits
• Fingerprint Type: Semiconductor Embedded
• Door Thickness: 75-100mm (customizable for other sizes)
• Power Supply: 4 AAA batteries
• Working Voltage: 4.8V-6.2V
• Working Temperature: -25~65°C
• Dimensions: Height 71mm, Width 43mm (with keypad), Cylinder Length 75mm
• Cylinder Diameter: 30.5mm
• Emergency Power: USB charging interface
• Low Battery Alert: Triggers when voltage drops below 4.8V, allows 100 unlocks after first alert
• App Compatibility: Tuya Mesh, Amazon Alexa, Google Home
• Material: Metal