Usage Tips:1000g Super PullThe high-quality 1.2m steel wire rope has passed the tensile and elasticity tests many times. It has strong pulling force and is not easy to break to avoid panic from forgetting to close the door and get a safer feeling time. MATERIAL Our automatic door closers are made of ABS plastic shell, resistant to oxidation, corrosion, abrasion, weather and rain, high temperature resistance and long service life. Applicable to most types of doors Our automatic door closers are suitable for the most doors, e.g. Doors with a stronger closing force, doors that can be opened left and right, wooden and metal doors, residential and commercial doors, exterior / interior doors, fireproof door. Quick InstallationThe punch-free automatic sensor door closer is installed with non-porous adhesive (installation and use, use after 24 hours), strong adhesion and will not damage the wall. Wide range of applications Multi-functional automatic door closer, automatically closing most doors. Very suitable for families, small offices, hotels, dormitories, classrooms, businesses, sheds, classes and home offices. If you forget to close the door and feel more and more secure, it will save you from panic .This kind of automatic door closer can help you close doors and windows in time to reduce the intrusion of mosquitoes and mice, and close the door in time to prevent the air conditioner from leaking in summer or the room in winter heats, which can save electricity. Very suitable for family, small office, shed, ranch and home office Specifications: Material: Plastic, stainless steel wire Tensile force: 1000 g Dimensions: 6.3 x 6.3 x 1.6 cm/2.48 x 2.48 x 0.63 inch Steel wire length: 100 cm/39.3 inch p > Package includes: 2 x black automatic door closer 2 x white automatic door closer