Versatile Unlocking Options: This smart lock offers multiple ways to unlock, including fingerprint, recognition, card, mechanical keys, password, APP, and WiFi, ensuring flexible and secure access for users Built-in Security Features: Equipped with a built-in doorbell, camera, peephole, and two-way a-udio, this lock enhances home security by allowing real-time video monitoring and communication with visitors, even when you're not at home Wide Compatibility: Designed to fit a variety of door types—wooden, steel, brass, and others—with a door thickness range from 40mm to 120mm. It's compatible with different mortise systems, making installation easy and adaptable High User Capacity: Supports up to 50 face profiles, 100 fingerprints, and 100 cards, making it for homes, offices, or other setting where multiple users need access, while still maintaining strong security Reliable Power & Durability: Powered by a 7.4V, 4200mAh rechargeable battery, the lock works in a wide temperature range from -10°C to +60°C, ensuring reliable performance in various climates. Its polished finish provides both aesthetic appeal and long-lasting durability, Manufacturer: LLOOPK