800G SUPER TRACTION: The 1m premium rubber coated steel rope has passed multiple pull and rebound tests, with strong tensile strength, not easy to break, to avoid panic when you forget to close the door, and feel safer all the time WIDE APPLICATION: Multi-function automatic door closer, all doors close automatically. Very suitable for home use, office, hotel, dorm, classroom, business, shed, ranch, and home office FITS MOST TYPES OF DOORS: Our door closer is suitable for most doors such as doors with slightly stronger closing force, which opens left and right, wooden and metal doors, residential and commercial doors, exterior/interior doors, fire doors QUICK INSTALLATION: This no-punching automatic sensor door closer adopts adhesive installation without holes, easy to install, with good firmness, and no damage to the wall QUALITY ABS PLASTIC SHELL: Our automatic door closer with high quality ABS plastic shell, anti-oxidation, anti-corrosion, wear-resistant, weather-resistant, high-temperature resistant, for long service life Colour:Black