Durable metal structure: This electric door lock is made of metal, with excellent durability and corrosion resistance, ensuring long-term reliable performance in residential and commercial applications. Fault safety design: operates on a stable power source and has a fault protection mechanism: the door remains locked during power outages to enhance safety. Very suitable for safety critical areas that must be kept locked during power outages. Narrow frame, space saving structure: The specially designed narrow frame structure makes this door lock suitable for thin door frames, metal doors, wooden doors, and aluminum alloy doors, saving space while maintaining strong locking ability. The electronic door lock has stable performance: the electronic mechanism provides fast response, low power consumption, and quiet operation. Suitable for office buildings, apartment entrances, warehouses, and internal security doors. Easy to integrate with access control systems: Supports integration with keyboards, card readers, fingerprint access, walkie talkies, and other access control devices, providing flexible solutions for different security requirements. Color: As Shown Material: Metal Package Contents: 1 * Security Door Lock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.