Electric smart door lock designed for secure, convenient access control in homes and small businesses. Multiple unlocking options and smart platform compatibility reduce lockouts and simplify daily entry. Key benefits Flexible access: unlock by mobile app, remote control, mechanical key, IC card, password, or fingerprint to match different user needs. Faster, reliable fingerprint recognition: semiconductor fingerprint collector stores up to 100 fingerprints for quick biometric access. Robust construction: zinc alloy body and a strong magnetic lock tongue provide durable, tamper resistant performance. Smart home ready: compatible with Tuya smart home platform and compatible with TTLock gateway for remote management and automation. Power resilience: runs on 6V DC using 4 AA alkaline batteries (batteries not included) and supports USB emergency power supply to avoid being locked out when batteries run low. Easy installation and versatile fit: supports door thickness from 38 to 60 mm and both left and right opening directions, for inside and outside installation. Key specifications Product type: Electric Locks Unlock methods: App, remote control, mechanical keys, card, password, fingerprint Fingerprint collector: semiconductor fingerprint collector Fingerprint capacity: 100 entries Material: zinc alloy Lock tongue: strong magnetic lock Door opening direction: left and right, inside and outside Power: 6V DC; primary supply 4 AA alkaline dry batteries, batteries not included; supports USB emergency power supply Applicable door thickness: 3860 mm Color: gray Compatibility: compatible with Tuya smart home platform and TTLock gateway Practical use scenarios Residential front door: Provide family members with fingerprint and app access for everyday convenience while keeping a mechanical key for backup. Small office or shared workspace: Assign individual passwords or IC cards and manage access remotely through the compatible gateway and smart home platform. Short term rentals and property management: Grant temporary access via app or passcodes and revoke permissions without changing locks. What makes this lock stand out Multiple, redundant unlocking options prevent lockouts and provide flexible access for different users. Semiconductor fingerprint sensor and storage for 100 fingerprints balance speed and reliable identification. Compatibility with smart home platforms and a gateway enables remote control, monitoring, and integration with home automation. Designed for straightforward retrofit installation on a wide range of doors with durable zinc alloy construction and emergency USB power support. This electric lock combines secure hardware, versatile unlocking methods, and smart platform compatibility to simplify access management for homes, offices, and rental properties.