Feature: 1. High Strength Material: Made from reliable aluminum alloy material, our fingerprint deadbolt door lock is perfect for both indoor and outdoor installation. 2. Multiple Unlocking Methods: This lock features multiple methods of unlocking including fingerprint recognition, card swiping, and passwords, ensuring both security and convenience. 3. Remote Control: This smart door lock can be remotely controlled, making it easy to manage house entry and granting access to authorized persons. 4. Stylish Design: With a sleek and elegant design, the lock can seamlessly blend in with your home's decor and improve the overall aesthetic of your dwelling. 5. Versatile Installation: It allows for flexible installation, making it compatible with different types of doors. This guarantees not only simple installation but also broad applicability. Specification: Item Type: Smart Door Lock Material: Aluminum Alloy Square Lock Battery: AA x 4 (not included) (lasts for 6-12 months) Voice: English and Chinese switchable Unlocking Methods: Fingerprint, Card, Password, Key, APP Maximum Fingerprint Entries: Up to 100 Operating Temperature: -10-60℃ Relative Humidity: 20%-93%. Package List: 1 x Fingerprint Password Panel Lock 1 x Square Lock 1 x Instruction Manual 3 x Keys 2 x IC Cards 1 x Lock Core 1 x Square Iron Piece 2 x Round Hole Iron Pieces 1 x Parts Package 1 x Square Lock Accessories 1 x Open Hole Diagram