Features: Ensure safety and fire prevention with our Electromagnetic Door Holders, designs specifically for fire door to facilitate rapid Closures during emergencies, effectively preventing the spread of fire and safeguarding lives and property. Featuring a powerful magnetic hold using high strength magnets, this door Holders let door open during normal use and automatically closes them when necessary, crafted from high temperature resistant and corrosion resistant materials for durability and reliability. Suitable for family aiming to enhances home safety, especially those with children or elderly member , as well as commercial facility managers responsible for safety of shops, offices, and public space who prioritize comprehensive fire safety measure . Perfect for residential areas like apartments and villas to boosts fire safety, and for commercial offices, shops, dining, and entertainment venues to ensure safety of employees and customers; also suitable for public place such as schools, hospitals, and hotel . The and practical designs seamlessly integrates with various interior styles, maintaining aesthetic appeal while providing essential functionality, making it indispensable addition to any safety awake environment. Specifications: Material: metal Power size: about 8.5X5.8CM/3x3inch Styles: multiple for option Package Includes: 1 set Fire Door Electromagnetic Holders note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.