General description This Smart Mute Security Electric Control Door Lock is designed for various applications including residential buildings, public doors, schools, hotels, and warehouses. It offers a reliable solution for door access control, enhancing security and convenience. Technical specifications Material: High quality iron with a corrosion-resistant surface Service life: Over 500,000 uses Connection: Two wires for electronic access Locking time: 5-8 seconds Compatibility and accessories Compatible with all building intercom and access control systems Installation Convenient to install, suitable for various door types Usage Ideal for maintaining security in homes, nursing homes, schools, and other facilities Reduces collision noise and prevents door deformation