4-in-1 Unlocking: Supports Fingerprint recognition, App remote control, Mechanical combination, and IC Card/Key access. Tuya Smart Integration: Compatible with the Tuya/Smart Life app for real-time logs and temporary password generation. Heavy-Duty Security: Constructed with high-strength zinc alloy to resist hammering, sawing, and prying. Weather Resistant: IP65 waterproof rating, designed to withstand rain and extreme temperatures for outdoor use. Emergency Power: Includes a USB-C emergency charging port in case the internal batteries run out. Large Capacity: Spacious interior fits multiple house keys, car keys, or access cards.