Welcome to our store! 1. Access Control Card: Unlock your door with ease. Supports EM or SM compatible cards, offering long-distance, high-speed card reading with dual internal and external reading capabilities. 2. Power Supply: Operates on 4 AA batteries (not included), providing long life and over a year of use. 3. Simple Installation: Wireless and easy to install, ensuring safer and more convenient operation. 4. Mechanical Key Override: In case of low battery, a standard mechanical key can be used to unlock the door, ensuring quick access. 5. User Capacity: Supports adding up to 970 ID card users, offering significant convenience. 6. Integrated Design: Combines access control and smart lock functionality. 7. System Compatibility: Compatible with all building intercom and access control system unlocking signals. 8. Anti-theft Alarm: Features an anti-theft alarm for timely alerts. 9. Automatic Locking: Locks automatically when the door is closed, with audible and visual signals to indicate the lock status and ensure quiet closure. 10. Durable Construction: The integrated structure is designed to prevent damage, with a reasonable circuit and mechanical design for ease of use and durability. 11. Management System: Utilizes an infrared controller and management card to manage the lock's sensor cards. 12. Wide Application: Commonly used in homes, offices, schools, hotels, factories, warehouses, and more. Package Includes: 1 x Lock Body 1 x Locking Lug 1 x Outdoor Swipe Shield 1 x Lock Cylinder 3 x Keys 1 x Installation Accessories Package 2 x ID Cards 1 x Management Card 1 x Infrared Controller 1 x Instruction Manual If you receive your item and find any product issues, such as damage or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory customer service.