Feature:1. Efficient Automatic Function: The fire door coordinator could enhances door usage efficiency by automatically opening and closing.2. Fire Door Safety: This coordinator is designed for fire doors, ensuring the doors' sequence and positioning is correct for optimal safety.3. Smooth Closure: The device includes a spring door closer for a smooth and controlled closure, preventing sudden door shut that could lead to potential harm.4. Easy Installation: The fire door coordinator is user friendly, requiring no complicated tools or extensive time for installation.5. High Durability: Made from heavy duty metal materials, this fire door coordinator boasts robust durability for prolonged use.Specification:Item Type: Fire Door CoordinatorMaterial: Metal.Package List:1 xFire Door Coordinator3 x Screw