Features: 1.Efficient Control: The electronic door lock can be precisely controlled using the knob lock control box, ensuring safety and reliability. 2.Convenient Adjustment: The electromagnetic door lock has an adjustable delay function, making it easy to customize for different application scenarios. 3.Sensitive Sensing: The lock control box utilizes sensitive sensing technology, enabling quick response to switch signals and ensuring immediate opening and closing of the door lock. 4.Safety and Stability: With the 12V power failure unlock function, the door lock can still be safely opened even in the event of a power outage, ensuring convenience in emergency situations. 5.Wide Applications: This electromagnetic control box can be widely used in various settings, including homes, commercial spaces, offices, and more. Specification: Item Type: Electronic Door Lock_x000D_ Material: Iron_x000D_ Operating Voltage: 12V PackageList: 1 x_x000D_ _x000D_ ElectronicDoorLock 1 x Lock Head 3 x Key 10 x Screw 2 x Lock Cover