800G SUPER TRACTION: The premium 1.2m rubber coated steel rope passed multiple tensile and rebound tests, with strong tensile strength, not easy to break, to prevent panic when you forget to close the door, and feel safer all the time WIDE APPLICATION: Multi-function automatic door closer, automatic closing of all doors. Very suitable for home use, office, hotel, dormitory, classroom, business, shed, ranch, and home office SUITABLE FOR 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 doors /interior, fire doors QUICK INSTALLATION: This punch-free automatic sensor door closer adopts hole-free adhesive installation, for easy installation, with good firmness, and does not damage the wall QUALITY ABS PLASTIC SHELL: Our automatic door closer with high quality ABS plastic shell, anti-oxidation, anti-corrosion, wear-resistant,