Electronic Smart Door Lock (22x 170) Secure, convenient, and flexible access control for homes and small offices. This smart door lock combines biometric fingerprint, smart card, code keypad, and mechanical key unlock methods with Tuya WiFi connectivity and USB emergency charging to keep entry simple and reliable. Key benefits Multiple reliable access options: fingerprint, smart card, numeric code, and mechanical key provide redundancy and convenience for every user. Remote monitoring and control: Tuya WiFi compatibility lets you manage access and receive status updates through Tuya supported apps and smart home systems. Power continuity when it matters: builtin USB emergency charging maintains access if the internal battery runs low. Spaceefficient design: compact dimensions of 22x 170 make installation possible on a wide range of doors where a slim profile is preferred. Practical for shared use: ideal for households, rental properties, and small offices where secure, multiuser access is needed. Main features Biometric fingerprint unlock for quick, keyless entry. Smart card unlock for contactless access. Numeric keypad for PIN code entry and temporary codes. Mechanical key override for conventional access when needed. Tuya WiFi integration for remote control, status checks, and compatibility with Tuya smart home ecosystems. USB emergency charging port for temporary power supply in low battery situations. Designed for routine daily use and multiple users. Compatibility and performance Works with Tuya WiFi enabled mobile apps and smart home platforms that support Tuya devices. Sized at 22x 170 for compact installation where a slim lock body is required. Designed to support multiuser access scenarios with straightforward credential management. Practical applications Home front door: Provide family members with fingerprint access while using PIN codes for temporary guests or service personnel. Short term rental or property management: Issue temporary PIN codes or smart cards for guests and monitor entry activity remotely. Small office interior door: Combine smart card and code access for staff while keeping a mechanical key for building managers. What you get A multifunctional electronic smart door lock with fingerprint, smart card, code, and key unlock options, Tuya WiFi compatibility, and USB emergency charging. The compact 22x 170 size is suitable for many doors that need secure, modern access control.