【1000g Super Pull】The 1.2m high-quality steel cable has undergone tensile and elasticity tests multiple times. It has strong pulling force and is not easy to break, to avoid panic, forgetting to close the door and get a safer feeling. 【HIGH QUALITY MATERIAL】Our automatic door closers are made of high-quality ABS plastic shell, which is resistant to oxidation, corrosion, abrasion, weather and rain, has high temperature resistance and long service life. 【Applicable to most door types】Our automatic door closers are suitable for most doors, such as doors with stronger closing force, doors that can be opened left and right, wood and metal doors, residential and commercial doors, exterior/interior doors, fire doors. 【Quick installation】The automatic sensory door closer without perforation is installed with pore-free glue (installation and use, use after 24 hours), strong adhesion and does not damage the wall. 【Wide range of uses】Multifunctional automatic door closer, closes most doors automatically. Very suitable for families, small offices, hotels, dormitories, classrooms, businesses, sheds, classrooms and home offices.