【Super Strong Pull】The 1.2-meter-long high-quality metal cable has been tested multiple times for stretch and elasticity. High tensile strength, not easy to break. Super powerful 1000g pulling force; the 1.2mm thick solid steel cable has passed durability testing through 50,000 traction rebound tests. 【Automatic Door Closer Set】You will receive 2 sets of automatic door closers: 2 door closers, 2 plastic hooks, and 2 strong double-sided adhesive pads. These automatic door closers are made of high-quality ABS plastic and thick stainless steel rope, resistant to oxidation, corrosion, stable, wear-resistant, and durable. 【Easy to Use and Install】The non-perforating automatic induction door closers are installed using a non-porous adhesive and can be used within 24 hours after bonding. 3M glue installation requires no drilling, firmly attaches to walls without damage, is non-invasive, easy to install, and resistant to high temperatures. 【Multifunctional Automatic Door Closer】The non-perforating induction automatic door closer not only prevents mosquitoes, rats, and cockroaches from entering the room when the door is accidentally left open, but also blocks kitchen fumes from spreading into the living room, and to some extent reduces the loss of heated or cooled air from air conditioning, providing a more secure and comfortable environment. 【Automatic Door Closing】Our door closer fits most types of doors, including those requiring slightly stronger closing force, left- and right-handed doors, wooden and metal doors, residential and commercial doors, interior/exterior doors, and fire-rated doors. Ideal for homes, small offices, hotels, dormitories, classrooms, businesses, warehouses, classrooms, and home offices. Super Strong Pull: The 1.2-meter-long, high-quality metal cable has been repeatedly tested for stretch and elasticity. High tensile strength and not easily broken. With an ultra-strong pulling force of 1000g, the thickened 1.2mm solid steel cable has been durability-tested through 50,000 stretch rebound cycles. Automatic Door Closer Set: You will receive 2 sets of automatic door closers: 2 closers, 2 plastic hooks, and 2 powerful double-sided adhesive pads. These automatic door closers are made from high-quality ABS plastic and thick stainless steel rope, offering resistance to oxidation, corrosion, wear, and ensuring long-term stability and durability. Easy to Use and Install: These non-perforating automatic induction door closers are installed using a strong non-porous adhesive and can be used within 24 hours after attachment. Featuring 3M glue mounting—no drilling required—this wall-mounted solution is secure, non-invasive, simple to install, and resistant to high temperatures. Multifunctional Automatic Door Closer: This non-perforating induction door closer not only prevents mosquitoes, rats, and cockroaches from entering when doors are accidentally left open, but also helps block kitchen smoke from spreading into the living room, while reducing the loss of heated or cooled air from air conditioning—providing greater comfort and energy efficiency. Automatic Door Closing: Our door closer fits most types of doors, including those requiring slightly stronger closing force, left- and right-handed doors, wooden and metal doors, residential and commercial doors, interior/exterior doors, and fire-rated doors. Ideal for homes, small offices, hotels, dormitories, classrooms, businesses, warehouses, and home offices.